gallium/u_upload_mgr: add a helper that creates the default uploader

Reviewed-by: Nicolai Hähnle <[email protected]>
Tested-by: Edmondo Tommasina <[email protected]>
Tested-by: Charmaine Lee <[email protected]>

2 files changed, 16 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/util/u_upload_mgr.c b/src/gallium/auxiliary/util/u_upload_mgr.c
index cfef1f0693b..11662e7e9b3 100644
--- a/src/gallium/auxiliary/util/u_upload_mgr.c
+++ b/src/gallium/auxiliary/util/u_upload_mgr.c
@@ -86,6 +86,15 @@ u_upload_create(struct pipe_context *pipe, unsigned default_size,
    return upload;
 }
 
+struct u_upload_mgr *
+u_upload_create_default(struct pipe_context *pipe)
+{
+   return u_upload_create(pipe, 1024 * 1024,
+                          PIPE_BIND_VERTEX_BUFFER |
+                          PIPE_BIND_INDEX_BUFFER |
+                          PIPE_BIND_CONSTANT_BUFFER,
+                          PIPE_USAGE_STREAM);
+}
 
 static void upload_unmap_internal(struct u_upload_mgr *upload, boolean destroying)
 {
diff --git a/src/gallium/auxiliary/util/u_upload_mgr.h b/src/gallium/auxiliary/util/u_upload_mgr.h
index b36e9e5d9db..fcd6235847f 100644
--- a/src/gallium/auxiliary/util/u_upload_mgr.h
+++ b/src/gallium/auxiliary/util/u_upload_mgr.h
@@ -52,6 +52,13 @@ u_upload_create(struct pipe_context *pipe, unsigned default_size,
                 unsigned bind, enum pipe_resource_usage usage);
 
 /**
+ * Create the default uploader for pipe_context. Only pipe_context::screen
+ * needs to be set for this to succeed.
+ */
+struct u_upload_mgr *
+u_upload_create_default(struct pipe_context *pipe);
+
+/**
  * Destroy the upload manager.
  */
 void u_upload_destroy( struct u_upload_mgr *upload );