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cogl debug: Makes COGL_DEBUG=all|verbose|help more useful
COGL_DEBUG=all wasn't previously useful as there are several options that change the behaviour of Cogl and all together wouldn't help anyone debug anything. This patch makes it so COGL_DEBUG=all|verbose now only enables options that don't change the behaviour of Cogl, i.e. they only affect the amount of noise we'll print to a terminal. In addition to that this patch also improves the output from COGL_DEBUG=help so we now print a table of options including one liner descriptions of what each option enables.
This commit is contained in:
Robert Bragg
parent
939e56e2b1
commit
511e5ceb51
@ -25,49 +25,122 @@
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#include "config.h"
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#endif
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#include <stdlib.h>
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#include <glib/gi18n-lib.h>
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#include "cogl-debug.h"
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#ifdef COGL_ENABLE_DEBUG
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static const GDebugKey cogl_debug_keys[] = {
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{ "misc", COGL_DEBUG_MISC },
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{ "texture", COGL_DEBUG_TEXTURE },
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{ "material", COGL_DEBUG_MATERIAL },
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{ "shader", COGL_DEBUG_SHADER },
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{ "offscreen", COGL_DEBUG_OFFSCREEN },
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{ "draw", COGL_DEBUG_DRAW },
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{ "pango", COGL_DEBUG_PANGO },
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{ "rectangles", COGL_DEBUG_RECTANGLES },
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/* XXX: If you add a debug option, please also scroll down to
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* cogl_arg_debug_cb() and add a "help" description of the option too.
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*/
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/* NB: Only these options get enabled if COGL_DEBUG=all is
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* used since they don't affect the behaviour of Cogl they
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* simply print out verbose information */
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static const GDebugKey cogl_log_debug_keys[] = {
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{ "handle", COGL_DEBUG_HANDLE },
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{ "slicing", COGL_DEBUG_SLICING },
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{ "atlas", COGL_DEBUG_ATLAS },
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{ "blend-strings", COGL_DEBUG_BLEND_STRINGS },
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{ "disable-batching", COGL_DEBUG_DISABLE_BATCHING },
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{ "disable-vbos", COGL_DEBUG_DISABLE_VBOS },
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{ "journal", COGL_DEBUG_JOURNAL },
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{ "batching", COGL_DEBUG_BATCHING },
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{ "disable-software-transform", COGL_DEBUG_DISABLE_SOFTWARE_TRANSFORM },
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{ "matrices", COGL_DEBUG_MATRICES },
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{ "draw", COGL_DEBUG_DRAW },
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{ "pango", COGL_DEBUG_PANGO },
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};
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static const int n_cogl_log_debug_keys =
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G_N_ELEMENTS (cogl_log_debug_keys);
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static const GDebugKey cogl_behavioural_debug_keys[] = {
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{ "rectangles", COGL_DEBUG_RECTANGLES },
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{ "disable-batching", COGL_DEBUG_DISABLE_BATCHING },
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{ "disable-vbos", COGL_DEBUG_DISABLE_VBOS },
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{ "disable-software-transform", COGL_DEBUG_DISABLE_SOFTWARE_TRANSFORM },
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{ "force-scanline-paths", COGL_DEBUG_FORCE_SCANLINE_PATHS },
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{ "atlas", COGL_DEBUG_ATLAS },
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{ "dump-atlas-image", COGL_DEBUG_DUMP_ATLAS_IMAGE },
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{ "disable-atlas", COGL_DEBUG_DISABLE_ATLAS }
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};
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static const int n_cogl_behavioural_debug_keys =
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G_N_ELEMENTS (cogl_behavioural_debug_keys);
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static const int n_cogl_debug_keys = G_N_ELEMENTS (cogl_debug_keys);
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#endif /* COGL_ENABLE_DEBUG */
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unsigned int cogl_debug_flags = 0;
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#ifdef COGL_ENABLE_DEBUG
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static unsigned int
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_cogl_parse_debug_string (const char *value,
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gboolean ignore_help)
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{
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unsigned int flags = 0;
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if (ignore_help && strcmp (value, "help") == 0)
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return 0;
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/* We don't want to let g_parse_debug_string handle "all" because
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* literally enabling all the debug options wouldn't be useful to
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* anyone; instead the all option enables all non behavioural
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* options.
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*/
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if (strcmp (value, "all") == 0 ||
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strcmp (value, "verbose") == 0)
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{
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int i;
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for (i = 0; i < n_cogl_log_debug_keys; i++)
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flags |= cogl_log_debug_keys[i].value;
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}
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else if (strcmp (value, "help") == 0)
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{
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g_printerr ("\n\n%28s\n", "Supported debug values:");
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#define OPT(NAME, HELP) \
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g_printerr ("%28s %s\n", NAME, HELP);
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OPT ("handle:", "debug ref counting issues for Cogl objects");
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OPT ("slicing:", "debug the creation of texture slices");
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OPT ("atlas:", "debug texture atlas management");
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OPT ("blend-strings:", "debug blend-string parsing");
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OPT ("journal:", "view all geometry passing through the journal");
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OPT ("batching:", "show how geometry is being batched in the journal");
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OPT ("matrices:", "trace all matrix manipulation");
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/* XXX: we should replace the "draw" option its very hand wavy... */
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OPT ("draw:", "misc tracing of some drawing operations");
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OPT ("pango:", "trace the pango renderer");
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OPT ("rectangles:", "add wire outlines for all rectangular geometry");
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OPT ("disable-batching:", "disable the journal batching");
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OPT ("disable-vbos:", "disable use of OpenGL vertex buffer objects");
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OPT ("disable-software-transform",
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"use the GPU to transform rectangular geometry");
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OPT ("force-scanline-paths:", "use a scanline based path rasterizer");
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OPT ("dump-atlas-image:", "dump atlas changes to an image file");
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OPT ("disable-atlas:", "disable texture atlasing");
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g_printerr ("\n%28s\n", "Special debug values:");
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OPT ("all:", "Enables all non-behavioural debug options");
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OPT ("verbose:", "Enables all non-behavioural debug options");
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#undef OPT
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exit (1);
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}
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else
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{
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flags |=
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g_parse_debug_string (value,
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cogl_log_debug_keys,
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n_cogl_log_debug_keys);
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flags |=
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g_parse_debug_string (value,
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cogl_behavioural_debug_keys,
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n_cogl_behavioural_debug_keys);
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}
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return flags;
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}
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static gboolean
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cogl_arg_debug_cb (const char *key,
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const char *value,
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gpointer user_data)
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{
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cogl_debug_flags |=
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g_parse_debug_string (value,
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cogl_debug_keys,
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n_cogl_debug_keys);
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cogl_debug_flags |= _cogl_parse_debug_string (value, FALSE);
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return TRUE;
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}
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@ -76,21 +149,16 @@ cogl_arg_no_debug_cb (const char *key,
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const char *value,
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gpointer user_data)
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{
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cogl_debug_flags &=
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~g_parse_debug_string (value,
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cogl_debug_keys,
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n_cogl_debug_keys);
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cogl_debug_flags &= ~_cogl_parse_debug_string (value, TRUE);
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return TRUE;
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}
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#endif /* CLUTTER_ENABLE_DEBUG */
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#endif /* COGL_ENABLE_DEBUG */
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static GOptionEntry cogl_args[] = {
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#ifdef COGL_ENABLE_DEBUG
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{ "cogl-debug", 0, 0, G_OPTION_ARG_CALLBACK, cogl_arg_debug_cb,
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N_("COGL debugging flags to set"), "FLAGS" },
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{ "cogl-no-debug", 0, 0, G_OPTION_ARG_CALLBACK, cogl_arg_no_debug_cb,
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N_("COGL debugging flags to unset"), "FLAGS" },
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#endif /* COGL_ENABLE_DEBUG */
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{ NULL, },
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};
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@ -106,10 +174,7 @@ pre_parse_hook (GOptionContext *context,
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env_string = g_getenv ("COGL_DEBUG");
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if (env_string != NULL)
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{
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cogl_debug_flags =
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g_parse_debug_string (env_string,
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cogl_debug_keys,
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n_cogl_debug_keys);
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cogl_debug_flags |= _cogl_parse_debug_string (env_string, FALSE);
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env_string = NULL;
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}
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#endif /* COGL_ENABLE_DEBUG */
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@ -29,26 +29,23 @@
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G_BEGIN_DECLS
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typedef enum {
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COGL_DEBUG_MISC = 1 << 0,
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COGL_DEBUG_TEXTURE = 1 << 1,
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COGL_DEBUG_MATERIAL = 1 << 2,
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COGL_DEBUG_SHADER = 1 << 3,
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COGL_DEBUG_OFFSCREEN = 1 << 4,
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COGL_DEBUG_DRAW = 1 << 5,
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COGL_DEBUG_PANGO = 1 << 6,
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COGL_DEBUG_RECTANGLES = 1 << 7,
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COGL_DEBUG_HANDLE = 1 << 8,
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COGL_DEBUG_BLEND_STRINGS = 1 << 9,
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COGL_DEBUG_DISABLE_BATCHING = 1 << 10,
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COGL_DEBUG_DISABLE_VBOS = 1 << 11,
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COGL_DEBUG_JOURNAL = 1 << 12,
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COGL_DEBUG_BATCHING = 1 << 13,
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COGL_DEBUG_DISABLE_SOFTWARE_TRANSFORM = 1 << 14,
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COGL_DEBUG_MATRICES = 1 << 15,
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COGL_DEBUG_FORCE_SCANLINE_PATHS = 1 << 16,
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COGL_DEBUG_ATLAS = 1 << 17,
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COGL_DEBUG_DUMP_ATLAS_IMAGE = 1 << 18,
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COGL_DEBUG_DISABLE_ATLAS = 1 << 19
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COGL_DEBUG_SLICING = 1 << 1,
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COGL_DEBUG_OFFSCREEN = 1 << 2,
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COGL_DEBUG_DRAW = 1 << 3,
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COGL_DEBUG_PANGO = 1 << 4,
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COGL_DEBUG_RECTANGLES = 1 << 5,
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COGL_DEBUG_HANDLE = 1 << 6,
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COGL_DEBUG_BLEND_STRINGS = 1 << 7,
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COGL_DEBUG_DISABLE_BATCHING = 1 << 8,
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COGL_DEBUG_DISABLE_VBOS = 1 << 9,
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COGL_DEBUG_JOURNAL = 1 << 10,
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COGL_DEBUG_BATCHING = 1 << 11,
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COGL_DEBUG_DISABLE_SOFTWARE_TRANSFORM = 1 << 12,
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COGL_DEBUG_MATRICES = 1 << 13,
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COGL_DEBUG_FORCE_SCANLINE_PATHS = 1 << 14,
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COGL_DEBUG_ATLAS = 1 << 15,
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COGL_DEBUG_DUMP_ATLAS_IMAGE = 1 << 16,
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COGL_DEBUG_DISABLE_ATLAS = 1 << 17
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} CoglDebugFlags;
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#ifdef COGL_ENABLE_DEBUG
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@ -841,7 +841,7 @@ _cogl_texture_2d_sliced_slices_create (CoglTexture2DSliced *tex_2ds,
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{
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x_span = &g_array_index (tex_2ds->slice_x_spans, CoglSpan, x);
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COGL_NOTE (TEXTURE, "CREATE SLICE (%d,%d)\tsize (%d,%d)",
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COGL_NOTE (SLICING, "CREATE SLICE (%d,%d)\tsize (%d,%d)",
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x, y,
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x_span->size - x_span->waste,
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y_span->size - y_span->waste);
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