aboutsummaryrefslogtreecommitdiff
path: root/mesalib/src/gallium/auxiliary/util/u_ringbuffer.h
diff options
context:
space:
mode:
authormarha <marha@users.sourceforge.net>2011-04-30 15:25:48 +0000
committermarha <marha@users.sourceforge.net>2011-04-30 15:25:48 +0000
commit0402d388cb9803652c0f9a52ba7dcb6029fdd0b9 (patch)
treeafd1b68edb9a74d5c87e63ea72d04b8301705d82 /mesalib/src/gallium/auxiliary/util/u_ringbuffer.h
parentc4ae0bb951bfb6061e7f0c492ba03de330137515 (diff)
downloadvcxsrv-0402d388cb9803652c0f9a52ba7dcb6029fdd0b9.tar.gz
vcxsrv-0402d388cb9803652c0f9a52ba7dcb6029fdd0b9.tar.bz2
vcxsrv-0402d388cb9803652c0f9a52ba7dcb6029fdd0b9.zip
Added extra needed files
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_ringbuffer.h')
-rw-r--r--mesalib/src/gallium/auxiliary/util/u_ringbuffer.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_ringbuffer.h b/mesalib/src/gallium/auxiliary/util/u_ringbuffer.h
new file mode 100644
index 000000000..177199e94
--- /dev/null
+++ b/mesalib/src/gallium/auxiliary/util/u_ringbuffer.h
@@ -0,0 +1,29 @@
+
+#ifndef UTIL_RINGBUFFER_H
+#define UTIL_RINGBUFFER_H
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_defines.h" /* only for pipe_error! */
+
+/* Generic header
+ */
+struct util_packet {
+ unsigned dwords:8;
+ unsigned data24:24;
+};
+
+struct util_ringbuffer;
+
+struct util_ringbuffer *util_ringbuffer_create( unsigned dwords );
+
+void util_ringbuffer_destroy( struct util_ringbuffer *ring );
+
+void util_ringbuffer_enqueue( struct util_ringbuffer *ring,
+ const struct util_packet *packet );
+
+enum pipe_error util_ringbuffer_dequeue( struct util_ringbuffer *ring,
+ struct util_packet *packet,
+ unsigned max_dwords,
+ boolean wait );
+
+#endif