Mesa (master): gallium/hud: don't use user vertex buffers

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Module: Mesa
Branch: master
Commit: a3d07c4a35fde31fede3b39d4771d6023b65ecc1
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=a3d07c4a35fde31fede3b39d4771d6023b65ecc1

Author: Erik Faye-Lund <erik.faye-lund at collabora.com>
Date:   Thu Jun 11 13:03:22 2020 +0200

gallium/hud: don't use user vertex buffers

This gains back some performance lost in the previous commit, by
bypassing u_vbuf.

Reviewed-by: Marek Olšák <marek.olsak at amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5417>

---

 src/gallium/auxiliary/hud/hud_context.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/gallium/auxiliary/hud/hud_context.c b/src/gallium/auxiliary/hud/hud_context.c
index 2b84e6f88e6..bb614f76a95 100644
--- a/src/gallium/auxiliary/hud/hud_context.c
+++ b/src/gallium/auxiliary/hud/hud_context.c
@@ -85,11 +85,14 @@ hud_draw_colored_prims(struct hud_context *hud, unsigned prim,
    hud->constants.scale[1] = yscale * hud_scale;
    cso_set_constant_buffer(cso, PIPE_SHADER_VERTEX, 0, &hud->constbuf);
 
-   vbuffer.is_user_buffer = true;
-   vbuffer.buffer.user = buffer;
+   u_upload_data(hud->pipe->stream_uploader, 0,
+                 num_vertices * 2 * sizeof(float), 16, buffer,
+                 &vbuffer.buffer_offset, &vbuffer.buffer.resource);
+   u_upload_unmap(hud->pipe->stream_uploader);
    vbuffer.stride = 2 * sizeof(float);
 
    cso_set_vertex_buffers(cso, 0, 1, &vbuffer);
+   pipe_resource_reference(&vbuffer.buffer.resource, NULL);
    cso_set_fragment_shader_handle(hud->cso, hud->fs_color);
    cso_draw_arrays(cso, prim, 0, num_vertices);
 }