gstreamer/gst-libs/gst/gl/gstgldebug.c

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/*
* GStreamer
* Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstgldebug.h"
#include <glib/gprintf.h>
#include <string.h>
#include "gstglcontext.h"
#include "gstglcontext_private.h"
#include "gstglfuncs.h"
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/**
* SECTION:gstgldebug
* @short_description: helper routines for dealing with OpenGL debugging
* @title: OpenGL debugging
* @see_also: #GstGLContext
*/
#define ASYNC_DEBUG_FILLED (1 << 0)
#define ASYNC_DEBUG_FROZEN (1 << 1)
/* compatibility defines */
#ifndef GL_DEBUG_TYPE_ERROR
#define GL_DEBUG_TYPE_ERROR 0x824C
#endif
#ifndef GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR
#define GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR 0x824D
#endif
#ifndef GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR
#define GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR 0x824E
#endif
#ifndef GL_DEBUG_TYPE_PORTABILITY
#define GL_DEBUG_TYPE_PORTABILITY 0x824F
#endif
#ifndef GL_DEBUG_TYPE_PERFORMANCE
#define GL_DEBUG_TYPE_PERFORMANCE 0x8250
#endif
#ifndef GL_DEBUG_TYPE_MARKER
#define GL_DEBUG_TYPE_MARKER 0x8268
#endif
#ifndef GL_DEBUG_TYPE_OTHER
#define GL_DEBUG_TYPE_OTHER 0x8251
#endif
#ifndef GL_DEBUG_SEVERITY_HIGH
#define GL_DEBUG_SEVERITY_HIGH 0x9146
#endif
#ifndef GL_DEBUG_SEVERITY_MEDIUM
#define GL_DEBUG_SEVERITY_MEDIUM 0x9147
#endif
#ifndef GL_DEBUG_SEVERITY_LOW
#define GL_DEBUG_SEVERITY_LOW 0x9148
#endif
#ifndef GL_DEBUG_SEVERITY_NOTIFICATION
#define GL_DEBUG_SEVERITY_NOTIFICATION 0x826B
#endif
#ifndef GL_DEBUG_SOURCE_API
#define GL_DEBUG_SOURCE_API 0x8246
#endif
#ifndef GL_DEBUG_SOURCE_WINDOW_SYSTEM
#define GL_DEBUG_SOURCE_WINDOW_SYSTEM 0x8247
#endif
#ifndef GL_DEBUG_SOURCE_SHADER_COMPILER
#define GL_DEBUG_SOURCE_SHADER_COMPILER 0x8248
#endif
#ifndef GL_DEBUG_SOURCE_THIRD_PARTY
#define GL_DEBUG_SOURCE_THIRD_PARTY 0x8249
#endif
#ifndef GL_DEBUG_SOURCE_APPLICATION
#define GL_DEBUG_SOURCE_APPLICATION 0x824A
#endif
#ifndef GL_DEBUG_SOURCE_OTHER
#define GL_DEBUG_SOURCE_OTHER 0x824B
#endif
GST_DEBUG_CATEGORY_STATIC (gst_performance);
#define GST_CAT_DEFAULT gst_gl_debug
GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
GST_DEBUG_CATEGORY_STATIC (default_debug);
GST_DEBUG_CATEGORY_STATIC (gst_gl_marker_debug);
static void
_init_debug (void)
{
static volatile gsize _init = 0;
if (g_once_init_enter (&_init)) {
GST_DEBUG_CATEGORY_GET (gst_performance, "GST_PERFORMANCE");
GST_DEBUG_CATEGORY_GET (gst_gl_debug, "gldebug");
GST_DEBUG_CATEGORY_GET (default_debug, "default");
GST_DEBUG_CATEGORY_INIT (gst_gl_marker_debug, "gldebugmarker", 0,
"OpenGL Markers");
g_once_init_leave (&_init, 1);
}
}
static void
_free_async_debug_data (GstGLAsyncDebug * ad)
{
if (ad->debug_msg) {
g_free (ad->debug_msg);
ad->debug_msg = NULL;
if (ad->object)
g_object_unref (ad->object);
ad->object = NULL;
ad->state_flags &= ~ASYNC_DEBUG_FILLED;
}
}
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/**
* gst_gl_async_debug_init:
* @ad: a #GstGLAsyncDebug
*
* Initialize @ad. Intended for use with #GstGLAsyncDebug's that are embedded
* in other structs.
*
* Since: 1.8
*/
void
gst_gl_async_debug_init (GstGLAsyncDebug * ad)
{
_init_debug ();
memset (ad, 0, sizeof (*ad));
}
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/**
* gst_gl_async_debug_unset:
* @ad: a #GstGLAsyncDebug
*
* Unset any dynamically allocated data. Intended for use with
* #GstGLAsyncDebug's that are embedded in other structs.
*/
void
gst_gl_async_debug_unset (GstGLAsyncDebug * ad)
{
gst_gl_async_debug_output_log_msg (ad);
_free_async_debug_data (ad);
if (ad->notify)
ad->notify (ad->user_data);
}
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/**
* gst_gl_async_debug_new: (skip)
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*
* Free with gst_gl_async_debug_free()
*
* Returns: a new #GstGLAsyncDebug
*
* Since: 1.8
*/
GstGLAsyncDebug *
gst_gl_async_debug_new (void)
{
return g_new0 (GstGLAsyncDebug, 1);
}
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/**
* gst_gl_async_debug_free:
* @ad: a #GstGLAsyncDebug
*
* Frees @ad
*
* Since: 1.8
*/
void
gst_gl_async_debug_free (GstGLAsyncDebug * ad)
{
gst_gl_async_debug_unset (ad);
g_free (ad);
}
/**
* gst_gl_async_debug_freeze:
* @ad: a #GstGLAsyncDebug
*
* freeze the debug output. While frozen, any call to
* gst_gl_async_debug_output_log_msg() will not output any messages but
* subsequent calls to gst_gl_async_debug_store_log_msg() will overwrite previous
* messages.
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*
* Since: 1.8
*/
void
gst_gl_async_debug_freeze (GstGLAsyncDebug * ad)
{
ad->state_flags |= ASYNC_DEBUG_FROZEN;
}
/**
* gst_gl_async_debug_thaw:
* @ad: a #GstGLAsyncDebug
*
* unfreeze the debug output. See gst_gl_async_debug_freeze() for what freezing means
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*
* Since: 1.8
*/
void
gst_gl_async_debug_thaw (GstGLAsyncDebug * ad)
{
ad->state_flags &= ~ASYNC_DEBUG_FROZEN;
}
#if !defined(GST_DISABLE_GST_DEBUG)
static inline const gchar *
_debug_severity_to_string (GLenum severity)
{
switch (severity) {
case GL_DEBUG_SEVERITY_HIGH:
return "high";
case GL_DEBUG_SEVERITY_MEDIUM:
return "medium";
case GL_DEBUG_SEVERITY_LOW:
return "low";
case GL_DEBUG_SEVERITY_NOTIFICATION:
return "notification";
default:
return "invalid";
}
}
static inline const gchar *
_debug_source_to_string (GLenum source)
{
switch (source) {
case GL_DEBUG_SOURCE_API:
return "API";
case GL_DEBUG_SOURCE_WINDOW_SYSTEM:
return "winsys";
case GL_DEBUG_SOURCE_SHADER_COMPILER:
return "shader compiler";
case GL_DEBUG_SOURCE_THIRD_PARTY:
return "third party";
case GL_DEBUG_SOURCE_APPLICATION:
return "application";
case GL_DEBUG_SOURCE_OTHER:
return "other";
default:
return "invalid";
}
}
static inline const gchar *
_debug_type_to_string (GLenum type)
{
switch (type) {
case GL_DEBUG_TYPE_ERROR:
return "error";
case GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR:
return "deprecated";
case GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR:
return "undefined";
case GL_DEBUG_TYPE_PORTABILITY:
return "portability";
case GL_DEBUG_TYPE_PERFORMANCE:
return "performance";
case GL_DEBUG_TYPE_MARKER:
return "debug marker";
case GL_DEBUG_TYPE_OTHER:
return "other";
default:
return "invalid";
}
}
static void GSTGLAPI
_gst_gl_debug_callback (GLenum source, GLenum type, GLuint id, GLenum severity,
GLsizei length, const gchar * message, gpointer user_data)
{
GstGLContext *context = user_data;
const gchar *severity_str = _debug_severity_to_string (severity);
const gchar *source_str = _debug_source_to_string (source);
const gchar *type_str = _debug_type_to_string (type);
_init_debug ();
switch (type) {
case GL_DEBUG_TYPE_ERROR:
case GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR:
GST_ERROR_OBJECT (context, "%s: GL %s from %s id:%u, %s", severity_str,
type_str, source_str, id, message);
break;
case GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR:
case GL_DEBUG_TYPE_PORTABILITY:
GST_FIXME_OBJECT (context, "%s: GL %s from %s id:%u, %s", severity_str,
type_str, source_str, id, message);
break;
case GL_DEBUG_TYPE_PERFORMANCE:
GST_CAT_DEBUG_OBJECT (gst_performance, context, "%s: GL %s from %s id:%u,"
" %s", severity_str, type_str, source_str, id, message);
break;
default:
GST_DEBUG_OBJECT (context, "%s: GL %s from %s id:%u, %s", severity_str,
type_str, source_str, id, message);
break;
}
}
G_GNUC_INTERNAL void _gst_gl_debug_enable (GstGLContext * context);
G_GNUC_INTERNAL void
_gst_gl_debug_enable (GstGLContext * context)
{
const GstGLFuncs *gl = context->gl_vtable;
GstDebugLevel level;
GLenum debug_types[8];
guint i, n = 0;
_init_debug ();
if (!gl->DebugMessageCallback) {
GST_CAT_INFO_OBJECT (gst_gl_context_debug, context,
"No debugging support available");
return;
}
if (!_gst_gl_context_debug_is_enabled (context))
return;
GST_CAT_INFO_OBJECT (gst_gl_context_debug, context,
"Enabling GL context debugging");
level = gst_debug_category_get_threshold (gst_gl_debug);
gl->DebugMessageCallback (_gst_gl_debug_callback, context);
if (level >= GST_LEVEL_DEBUG) {
/* enable them all */
gl->DebugMessageControl (GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, 0,
GL_TRUE);
} else {
if (level >= GST_LEVEL_FIXME) {
debug_types[n++] = GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR;
debug_types[n++] = GL_DEBUG_TYPE_PORTABILITY;
}
if (level >= GST_LEVEL_ERROR) {
debug_types[n++] = GL_DEBUG_TYPE_ERROR;
debug_types[n++] = GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR;
}
g_assert (n < G_N_ELEMENTS (debug_types));
for (i = 0; i < n; i++) {
gl->DebugMessageControl (GL_DONT_CARE, debug_types[i], GL_DONT_CARE,
0, 0, GL_TRUE);
}
}
}
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/**
* gst_gl_insert_debug_marker:
* @context: a #GstGLContext
* @format: a printf-style format string
* @...: arguments form @format
*
* Inserts a marker into a GL debug stream. Requires the 'gldebugmarker'
* debug category to be at least %GST_LEVEL_FIXME.
*
* Since: 1.8
*/
void
gst_gl_insert_debug_marker (GstGLContext * context, const gchar * format, ...)
{
const GstGLFuncs *gl = context->gl_vtable;
gchar *string;
gint len;
va_list args;
_init_debug ();
/* are we enabled */
if (gst_debug_category_get_threshold (gst_gl_marker_debug) < GST_LEVEL_FIXME)
return;
va_start (args, format);
len = gst_info_vasprintf (&string, format, args);
va_end (args);
/* gst_info_vasprintf() returns -1 on error, the various debug marker
* functions take len=-1 to mean null terminated */
if (len < 0 || string == NULL)
/* no debug output */
return;
if (gl->DebugMessageInsert)
gl->DebugMessageInsert (GL_DEBUG_SOURCE_THIRD_PARTY, GL_DEBUG_TYPE_MARKER,
0, GL_DEBUG_SEVERITY_LOW, (gsize) len, string);
else if (gl->InsertEventMarker)
gl->InsertEventMarker (len, string);
else if (gl->StringMarker)
gl->StringMarker (len, string);
g_free (string);
}
/**
* gst_gl_async_debug_store_log_msg_valist:
* @ad: the #GstGLAsyncDebug to store the message in
* @cat: the #GstDebugCategory to output the message in
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* @level: the #GstDebugLevel
* @file: the file where the debug message originates from
* @function: the function where the debug message originates from
* @line: the line in @file where the debug message originates from
* @object: (allow-none): a #GObject to associate with the debug message
* @format: a printf style format string
* @varargs: the list of arguments for @format
*
* Stores a debug message for later output by gst_gl_async_debug_output_log_msg()
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*
* Since: 1.8
*/
void
gst_gl_async_debug_store_log_msg_valist (GstGLAsyncDebug * ad,
GstDebugCategory * cat, GstDebugLevel level, const gchar * file,
const gchar * function, gint line, GObject * object, const gchar * format,
va_list varargs)
{
gst_gl_async_debug_output_log_msg (ad);
_free_async_debug_data (ad);
if (G_UNLIKELY (level <= GST_LEVEL_MAX && level <= _gst_debug_min)) {
if (!cat)
cat = default_debug;
ad->cat = cat;
ad->level = level;
ad->file = file;
ad->function = function;
ad->line = line;
if (object)
ad->object = g_object_ref (object);
else
ad->object = NULL;
ad->debug_msg = gst_info_strdup_vprintf (format, varargs);
ad->state_flags |= ASYNC_DEBUG_FILLED;
}
}
/**
* gst_gl_async_debug_output_log_msg:
* @ad: the #GstGLAsyncDebug to store the message in
*
* Outputs a previously stored debug message.
*/
void
gst_gl_async_debug_output_log_msg (GstGLAsyncDebug * ad)
{
if ((ad->state_flags & ASYNC_DEBUG_FILLED) != 0
&& (ad->state_flags & ASYNC_DEBUG_FROZEN) == 0) {
gchar *msg = NULL;
if (ad->callback)
msg = ad->callback (ad->user_data);
gst_debug_log (ad->cat, ad->level, ad->file, ad->function, ad->line,
ad->object, "%s %s", GST_STR_NULL (ad->debug_msg), msg ? msg : "");
g_free (msg);
_free_async_debug_data (ad);
}
}
/**
* gst_gl_async_debug_store_log_msg:
* @ad: the #GstGLAsyncDebug to store the message in
* @cat: the #GstDebugCategory to output the message in
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* @level: the #GstDebugLevel
* @file: the file where the debug message originates from
* @function: the function where the debug message originates from
* @line: the line in @file where the debug message originates from
* @object: (allow-none): a #GObject to associate with the debug message
* @format: a printf style format string
* @...: the list of arguments for @format
*
* Stores a debug message for later output by gst_gl_async_debug_output_log_msg()
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*
* Since: 1.8
*/
void
gst_gl_async_debug_store_log_msg (GstGLAsyncDebug * ad, GstDebugCategory * cat,
GstDebugLevel level, const gchar * file, const gchar * function, gint line,
GObject * object, const gchar * format, ...)
{
va_list varargs;
if (G_UNLIKELY (level <= GST_LEVEL_MAX && level <= _gst_debug_min)) {
va_start (varargs, format);
gst_gl_async_debug_store_log_msg_valist (ad, cat, level, file, function,
line, object, format, varargs);
va_end (varargs);
}
}
#else
G_GNUC_INTERNAL void _gst_gl_debug_enable (GstGLContext * context);
#endif