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gl/utils: add a function to insert a debug marker
These markers are visible in tools that record the GL function calls such as apitrace, et al. Makes it easier to match up GL draw commands with specific elements.
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2 changed files with 45 additions and 0 deletions
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@ -24,6 +24,7 @@
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#include <stdio.h>
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#include <gst/gst.h>
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#include <glib/gprintf.h>
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#include "gl.h"
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#include "gstglutils.h"
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@ -932,3 +933,29 @@ gst_gl_caps_replace_all_caps_features (const GstCaps * caps,
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return tmp;
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}
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#ifndef GST_DISABLE_GST_DEBUG
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void
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gst_gl_insert_debug_marker (GstGLContext * context, const gchar * format, ...)
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{
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const GstGLFuncs *gl = context->gl_vtable;
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gchar *string;
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gint len;
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va_list args;
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va_start (args, format);
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len = g_vasprintf (&string, format, args);
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va_end (args);
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#if defined (GL_DEBUG_TYPE_MARKER)
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if (gl->DebugMessageInsert) {
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gl->DebugMessageInsert (GL_DEBUG_SOURCE_THIRD_PARTY, GL_DEBUG_TYPE_MARKER,
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0, GL_DEBUG_SEVERITY_LOW, (gsize) len, string);
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} else
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#endif
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if (gl->InsertEventMarker)
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gl->InsertEventMarker (len, string);
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else if (gl->StringMarker)
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gl->StringMarker (len, string);
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}
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#endif
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@ -109,6 +109,24 @@ gsize gst_gl_get_plane_data_size (GstVideoInfo * info, GstVideoAlignment * align
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GstCaps * gst_gl_caps_replace_all_caps_features (const GstCaps * caps,
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const gchar * feature_name);
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#ifndef GST_DISABLE_GST_DEBUG
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void gst_gl_insert_debug_marker (GstGLContext * context,
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const gchar * format, ...) G_GNUC_PRINTF (2, 3);
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#else /* GST_DISABLE_GST_DEBUG */
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#if G_HAVE_ISO_VARARGS
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#define gst_gl_insert_debug_marker(...) G_STMT_START{ }G_STMT_END
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#else /* G_HAVE_ISO_VARARGS */
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#if G_HAVE_GNUC_VARARGS
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#define gst_gl_insert_debug_marker(args...) G_STMT_START{ }G_STMT_END
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#else /* G_HAVE_GNUC_VARARGS */
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static inline void
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gst_gl_insert_debug_marker (GstGLContext * context, const gchar * format, ...)
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{
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}
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#endif /* G_HAVE_GNUC_VARARGS */
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#endif /* G_HAVE_ISO_VARARGS */
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#endif /* GST_DISABLE_GST_DEBUG */
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G_END_DECLS
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#endif /* __GST_GL_UTILS_H__ */
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