gallium: add driconf options to pipe_screen_config

Reviewed-by: Marek Olšák <marek.olsak@amd.com>

src/gallium/auxiliary/pipe-loader/pipe_loader.c

@@ -111,6 +111,9 @@ struct pipe_screen *
 pipe_loader_create_screen(struct pipe_loader_device *dev,
                           struct pipe_screen_config *config)
 {
+   pipe_loader_load_options(dev);
+   config->options = &dev->option_cache;
+
    return dev->ops->create_screen(dev, config);
 }
 

src/gallium/include/pipe/p_screen.h

@@ -59,6 +59,7 @@ struct pipe_transfer;
 struct pipe_box;
 struct pipe_memory_info;
 struct disk_cache;
+struct driOptionCache;
 
 
 /**
@@ -365,6 +366,7 @@ struct pipe_screen {
  */
 struct pipe_screen_config {
    unsigned flags;
+   const struct driOptionCache *options;
 };