gallium: add pipe_context::set_device_reset_callback

Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>

2 files changed, 27 insertions, 0 deletions

diff --git a/src/gallium/include/pipe/p_context.h b/src/gallium/include/pipe/p_context.h
index f5841d7..b97aad5 100644
--- a/src/gallium/include/pipe/p_context.h
+++ b/src/gallium/include/pipe/p_context.h
@@ -47,6 +47,7 @@ struct pipe_clip_state;
 struct pipe_constant_buffer;
 struct pipe_debug_callback;
 struct pipe_depth_stencil_alpha_state;
+struct pipe_device_reset_callback;
 struct pipe_draw_info;
 struct pipe_grid_info;
 struct pipe_fence_handle;
@@ -691,6 +692,13 @@ struct pipe_context {
    enum pipe_reset_status (*get_device_reset_status)(struct pipe_context *ctx);
 
    /**
+    * Sets the reset status callback. If the pointer is null, then no callback
+    * is set, otherwise a copy of the data should be made.
+    */
+   void (*set_device_reset_callback)(struct pipe_context *ctx,
+                                     const struct pipe_device_reset_callback *cb);
+
+   /**
     * Dump driver-specific debug information into a stream. This is
     * used by debugging tools.
     *
diff --git a/src/gallium/include/pipe/p_state.h b/src/gallium/include/pipe/p_state.h
index 415ea85..46df196 100644
--- a/src/gallium/include/pipe/p_state.h
+++ b/src/gallium/include/pipe/p_state.h
@@ -831,6 +831,25 @@ struct pipe_debug_callback
 };
 
 /**
+ * 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