dri: Add a flush control extension

This advertises that the driver can accept a new context attribute
__DRI_CTX_ATTRIB_RELEASE_BEHAVIOR.

Reviewed-by: Adam Jackson <[email protected]>
Reviewed-by: Nicolai Hähnle <[email protected]>
Reviewed-by: Emil Velikov <[email protected]>
Signed-off-by: Neil Roberts <[email protected]>

1 files changed, 25 insertions, 0 deletions

diff --git a/include/GL/internal/dri_interface.h b/include/GL/internal/dri_interface.h
index 98402eae057..b47947380c4 100644
--- a/include/GL/internal/dri_interface.h
+++ b/include/GL/internal/dri_interface.h
@@ -1107,6 +1107,16 @@ struct __DRIdri2LoaderExtensionRec {
 #define __DRI_CTX_PRIORITY_HIGH			2
 
 /**
+ * \name Context release behaviors.
+ */
+/*@{*/
+#define __DRI_CTX_ATTRIB_RELEASE_BEHAVIOR	5
+
+#define __DRI_CTX_RELEASE_BEHAVIOR_NONE         0
+#define __DRI_CTX_RELEASE_BEHAVIOR_FLUSH        1
+/*@}*/
+
+/**
  * \name Reasons that __DRIdri2Extension::createContextAttribs might fail
  */
 /*@{*/
@@ -1715,6 +1725,21 @@ typedef struct __DRInoErrorExtensionRec {
    __DRIextension base;
 } __DRInoErrorExtension;
 
+/*
+ * Flush control driver extension.
+ *
+ * Existence of this extension means the driver can accept the
+ * \c __DRI_CTX_ATTRIB_RELEASE_BEHAVIOR attribute in
+ * \c __DRIdri2ExtensionRec::createContextAttribs.
+ */
+#define __DRI2_FLUSH_CONTROL "DRI_FlushControl"
+#define __DRI2_FLUSH_CONTROL_VERSION 1
+
+typedef struct __DRI2flushControlExtensionRec __DRI2flushControlExtension;
+struct __DRI2flushControlExtensionRec {
+   __DRIextension base;
+};
+
 /**
  * DRI config options extension.
  *