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-rw-r--r--include/GL/internal/dri_interface.h20
1 files changed, 18 insertions, 2 deletions
diff --git a/include/GL/internal/dri_interface.h b/include/GL/internal/dri_interface.h
index c314a43faa..e08448e4ff 100644
--- a/include/GL/internal/dri_interface.h
+++ b/include/GL/internal/dri_interface.h
@@ -1651,13 +1651,29 @@ typedef struct __DRInoErrorExtensionRec {
*
* This extension provides the XML string containing driver options for use by
* the loader in supporting the driconf application.
+ *
+ * v2:
+ * - Add the getXml getter function which allows the driver more flexibility in
+ * how the XML is provided.
+ * - Deprecate the direct xml pointer. It is only provided as a fallback for
+ * older versions of libGL and must not be used by clients that are aware of
+ * the newer version. Future driver versions may set it to NULL.
*/
#define __DRI_CONFIG_OPTIONS "DRI_ConfigOptions"
-#define __DRI_CONFIG_OPTIONS_VERSION 1
+#define __DRI_CONFIG_OPTIONS_VERSION 2
typedef struct __DRIconfigOptionsExtensionRec {
__DRIextension base;
- const char *xml;
+ const char *xml; /**< deprecated since v2, use getXml instead */
+
+ /**
+ * Get an XML string that describes available driver options for use by a
+ * config application.
+ *
+ * The returned string must be heap-allocated. The caller is responsible for
+ * freeing it.
+ */
+ char *(*getXml)(const char *driver_name);
} __DRIconfigOptionsExtension;
/**