+/**
+ * Structure that contains a callback for debug messages from the driver back
+ * to the state tracker.
+ */
+struct pipe_debug_callback
+{
+ /**
+ * When set to \c true, the callback may be called asynchronously from a
+ * driver-created thread.
+ */
+ bool async;
+
+ /**
+ * Callback for the driver to report debug/performance/etc information back
+ * to the state tracker.
+ *
+ * \param data user-supplied data pointer
+ * \param id message type identifier, if pointed value is 0, then a
+ * new id is assigned
+ * \param type PIPE_DEBUG_TYPE_*
+ * \param format printf-style format string
+ * \param args args for format string
+ */
+ void (*debug_message)(void *data,
+ unsigned *id,
+ enum pipe_debug_type type,
+ const char *fmt,
+ va_list args);
+ void *data;
+};
+
+/**
+ * Structure that contains a callback for device reset messages from the driver
+ * back to the state tracker.
+ *
+ * The callback must not be called from driver-created threads.
+ */
+struct pipe_device_reset_callback
+{
+ /**
+ * Callback for the driver to report when a device reset is detected.
+ *
+ * \param data user-supplied data pointer
+ * \param status PIPE_*_RESET
+ */
+ void (*reset)(void *data, enum pipe_reset_status status);
+
+ void *data;
+};
+
+/**
+ * Information about memory usage. All sizes are in kilobytes.
+ */
+struct pipe_memory_info
+{
+ unsigned total_device_memory; /**< size of device memory, e.g. VRAM */
+ unsigned avail_device_memory; /**< free device memory at the moment */
+ unsigned total_staging_memory; /**< size of staging memory, e.g. GART */
+ unsigned avail_staging_memory; /**< free staging memory at the moment */
+ unsigned device_memory_evicted; /**< size of memory evicted (monotonic counter) */
+ unsigned nr_device_memory_evictions; /**< # of evictions (monotonic counter) */
+};
+
+/**
+ * Structure that contains information about external memory
+ */
+struct pipe_memory_object
+{
+ bool dedicated;
+};
+