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gl/context: add gl extension checking to check_feature()

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Useful for extensions that do not define any new GL API entrypoints
but can still modify behaviour when used.
This commit is contained in:
Matthew Waters 2014-05-21 21:44:40 +10:00 committed by Tim-Philipp Müller
parent 63831b7dd2
commit 4435c1c289
1 changed files with 13 additions and 3 deletions
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16
gst-libs/gst/gl/gstglcontext.c
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@ -149,6 +149,8 @@ struct _GstGLContextPrivate
gint gl_major;
gint gl_minor;
gchar *gl_exts;
};
typedef struct
@ -373,6 +375,8 @@ gst_gl_context_finalize (GObject * object)
g_cond_clear (&context->priv->destroy_cond);
g_cond_clear (&context->priv->create_cond);
g_free (context->priv->gl_exts);
G_OBJECT_CLASS (gst_gl_context_parent_class)->finalize (object);
}
@ -849,17 +853,19 @@ gst_gl_context_create_thread (GstGLContext * context)
GST_DEBUG_OBJECT (context, "GL_EXTENSIONS: %s", ext_g_str->str);
_gst_gl_feature_check_ext_functions (context, context->priv->gl_major,
context->priv->gl_minor, ext_g_str->str);
context->priv->gl_exts = g_string_free (ext_g_str, FALSE);
} else {
ext_const_c_str = (const gchar *) gl->GetString (GL_EXTENSIONS);
if (!ext_const_c_str)
ext_const_c_str = "";
GST_DEBUG_OBJECT (context, "GL_EXTENSIONS: %s", ext_const_c_str);
_gst_gl_feature_check_ext_functions (context, context->priv->gl_major,
context->priv->gl_minor, ext_const_c_str);
}
if (ext_g_str)
g_string_free (ext_g_str, TRUE);
context->priv->gl_exts = g_strdup (ext_const_c_str);
}
context->priv->alive = TRUE;
@ -1051,6 +1057,10 @@ gst_gl_context_check_feature (GstGLContext * context, const gchar * feature)
g_return_val_if_fail (feature != NULL, FALSE);
context_class = GST_GL_CONTEXT_GET_CLASS (context);
if (g_strstr_len (feature, 3, "GL_"))
return gst_gl_check_extension (feature, context->priv->gl_exts);
if (!context_class->check_feature)
return FALSE;