/**
+ * Surface status
+ */
+#define PIPE_SURFACE_STATUS_UNDEFINED 0
+#define PIPE_SURFACE_STATUS_DEFINED 1
+#define PIPE_SURFACE_STATUS_CLEAR 2
+
+
+/**
* Buffer access flags
*/
#define PIPE_BUFFER_FLAG_READ 0x1
{
struct pipe_buffer_handle *buffer; /**< driver private buffer handle */
enum pipe_format format; /**< PIPE_FORMAT_x */
+ unsigned status; /**< PIPE_SURFACE_STATUS_x */
+ unsigned clear_value; /**< may be temporary */
unsigned cpp; /**< bytes per pixel */
unsigned width, height;
unsigned pitch; /**< in pixels */