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-rw-r--r--include/hardware/gralloc.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/hardware/gralloc.h b/include/hardware/gralloc.h
index 7d00114..7aeb84e 100644
--- a/include/hardware/gralloc.h
+++ b/include/hardware/gralloc.h
@@ -127,6 +127,17 @@ enum {
/* buffer may be used as a cursor */
GRALLOC_USAGE_CURSOR = 0x00008000,
+ /* Set by the consumer to indicate to the producer that they may attach a
+ * buffer that they did not detach from the BufferQueue. Will be filtered
+ * out by GRALLOC_USAGE_ALLOC_MASK, so gralloc modules will not need to
+ * handle this flag. */
+ GRALLOC_USAGE_FOREIGN_BUFFERS = 0x00010000,
+
+ /* Mask of all flags which could be passed to a gralloc module for buffer
+ * allocation. Any flags not in this mask do not need to be handled by
+ * gralloc modules. */
+ GRALLOC_USAGE_ALLOC_MASK = ~(GRALLOC_USAGE_FOREIGN_BUFFERS),
+
/* implementation-specific private usage flags */
GRALLOC_USAGE_PRIVATE_0 = 0x10000000,
GRALLOC_USAGE_PRIVATE_1 = 0x20000000,