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-rw-r--r--include/GL/internal/dri_interface.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/GL/internal/dri_interface.h b/include/GL/internal/dri_interface.h
index 172669e3955..e4c2b3a3eba 100644
--- a/include/GL/internal/dri_interface.h
+++ b/include/GL/internal/dri_interface.h
@@ -428,6 +428,26 @@ struct __DRIswrastLoaderExtensionRec {
};
/**
+ * Invalidate loader extension. The presence of this extension
+ * indicates to the DRI driver that the loader will call invalidate in
+ * the __DRI2_FLUSH extension, whenever the needs to query for new
+ * buffers. This means that the DRI driver can drop the polling in
+ * glViewport().
+ *
+ * The extension doesn't provide any functionality, it's only use to
+ * indicate to the driver that it can use the new semantics. A DRI
+ * driver can use this to switch between the different semantics or
+ * just refuse to initialize if this extension isn't present.
+ */
+#define __DRI_USE_INVALIDATE "DRI_UseInvalidate"
+#define __DRI_USE_INVALIDATE_VERSION 1
+
+typedef struct __DRIuseInvalidateExtensionRec __DRIuseInvalidateExtension;
+struct __DRIuseInvalidateExtensionRec {
+ __DRIextension base;
+};
+
+/**
* The remaining extensions describe driver extensions, immediately
* available interfaces provided by the driver. To start using the
* driver, dlsym() for the __DRI_DRIVER_EXTENSIONS symbol and look for