u_upload_mgr: allow specifying PIPE_USAGE_* for the upload buffer

Reviewed-by: Nicolai Hähnle <[email protected]>

4 files changed, 14 insertions, 9 deletions

diff --git a/src/gallium/auxiliary/util/u_blitter.c b/src/gallium/auxiliary/util/u_blitter.c
index 833a79cf5de..43fbd8e6452 100644
--- a/src/gallium/auxiliary/util/u_blitter.c
+++ b/src/gallium/auxiliary/util/u_blitter.c
@@ -320,7 +320,8 @@ struct blitter_context *util_blitter_create(struct pipe_context *pipe)
    for (i = 0; i < 4; i++)
       ctx->vertices[i][0][3] = 1; /*v.w*/
 
-   ctx->upload = u_upload_create(pipe, 65536, PIPE_BIND_VERTEX_BUFFER);
+   ctx->upload = u_upload_create(pipe, 65536, PIPE_BIND_VERTEX_BUFFER,
+                                 PIPE_USAGE_STREAM);
 
    return &ctx->base;
 }
diff --git a/src/gallium/auxiliary/util/u_upload_mgr.c b/src/gallium/auxiliary/util/u_upload_mgr.c
index 842a7f68e27..aa31ef2a4bd 100644
--- a/src/gallium/auxiliary/util/u_upload_mgr.c
+++ b/src/gallium/auxiliary/util/u_upload_mgr.c
@@ -43,6 +43,7 @@ struct u_upload_mgr {
 
    unsigned default_size;  /* Minimum size of the upload buffer, in bytes. */
    unsigned bind;          /* Bitmask of PIPE_BIND_* flags. */
+   unsigned usage;         /* PIPE_USAGE_* */
    unsigned map_flags;     /* Bitmask of PIPE_TRANSFER_* flags. */
    boolean map_persistent; /* If persistent mappings are supported. */
 
@@ -54,9 +55,9 @@ struct u_upload_mgr {
 };
 
 
-struct u_upload_mgr *u_upload_create( struct pipe_context *pipe,
-                                      unsigned default_size,
-                                      unsigned bind )
+struct u_upload_mgr *
+u_upload_create(struct pipe_context *pipe, unsigned default_size,
+                unsigned bind, unsigned usage)
 {
    struct u_upload_mgr *upload = CALLOC_STRUCT( u_upload_mgr );
    if (!upload)
@@ -65,6 +66,7 @@ struct u_upload_mgr *u_upload_create( struct pipe_context *pipe,
    upload->pipe = pipe;
    upload->default_size = default_size;
    upload->bind = bind;
+   upload->usage = usage;
 
    upload->map_persistent =
       pipe->screen->get_param(pipe->screen,
@@ -146,7 +148,7 @@ u_upload_alloc_buffer(struct u_upload_mgr *upload,
    buffer.target = PIPE_BUFFER;
    buffer.format = PIPE_FORMAT_R8_UNORM; /* want TYPELESS or similar */
    buffer.bind = upload->bind;
-   buffer.usage = PIPE_USAGE_STREAM;
+   buffer.usage = upload->usage;
    buffer.width0 = size;
    buffer.height0 = 1;
    buffer.depth0 = 1;
diff --git a/src/gallium/auxiliary/util/u_upload_mgr.h b/src/gallium/auxiliary/util/u_upload_mgr.h
index 54e839bbdff..1d933d754ae 100644
--- a/src/gallium/auxiliary/util/u_upload_mgr.h
+++ b/src/gallium/auxiliary/util/u_upload_mgr.h
@@ -44,10 +44,11 @@ struct pipe_resource;
  * \param pipe          Pipe driver.
  * \param default_size  Minimum size of the upload buffer, in bytes.
  * \param bind          Bitmask of PIPE_BIND_* flags.
+ * \param usage         PIPE_USAGE_*
  */
-struct u_upload_mgr *u_upload_create( struct pipe_context *pipe,
-                                      unsigned default_size,
-                                      unsigned bind );
+struct u_upload_mgr *
+u_upload_create(struct pipe_context *pipe, unsigned default_size,
+                unsigned bind, unsigned usage);
 
 /**
  * Destroy the upload manager.
diff --git a/src/gallium/auxiliary/util/u_vbuf.c b/src/gallium/auxiliary/util/u_vbuf.c
index 060f3d14eb9..e16ee3651e6 100644
--- a/src/gallium/auxiliary/util/u_vbuf.c
+++ b/src/gallium/auxiliary/util/u_vbuf.c
@@ -315,7 +315,8 @@ u_vbuf_create(struct pipe_context *pipe,
    memset(mgr->fallback_vbs, ~0, sizeof(mgr->fallback_vbs));
 
    mgr->uploader = u_upload_create(pipe, 1024 * 1024,
-                                   PIPE_BIND_VERTEX_BUFFER);
+                                   PIPE_BIND_VERTEX_BUFFER,
+                                   PIPE_USAGE_STREAM);
 
    return mgr;
 }