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-rw-r--r--src/gallium/include/state_tracker/st_api.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/gallium/include/state_tracker/st_api.h b/src/gallium/include/state_tracker/st_api.h
index 1e343d0e36..e7efbf065f 100644
--- a/src/gallium/include/state_tracker/st_api.h
+++ b/src/gallium/include/state_tracker/st_api.h
@@ -109,7 +109,14 @@ enum st_context_resource_type {
* Value to st_manager->get_param function.
*/
enum st_manager_param {
- ST_MANAGER_TEMP,
+ /**
+ * The dri state tracker on old libGL's doesn't do the right thing
+ * with regards to invalidating the framebuffers.
+ *
+ * For the mesa state tracker that means that it needs to invalidate
+ * the framebuffer in glViewport itself.
+ */
+ ST_MANAGER_BROKEN_INVALIDATE
};
/**