Mesa (master): virgl: make transfer code with PIPE_BUFFER targets

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Module: Mesa
Branch: master
Commit: 4e2c77cd512ccd98c08a361fc9889286c44ad4ea
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=4e2c77cd512ccd98c08a361fc9889286c44ad4ea

Author: Gurchetan Singh <gurchetansingh at chromium.org>
Date:   Fri Nov 30 18:08:14 2018 -0800

virgl: make transfer code with PIPE_BUFFER targets

util_format_get_blocksize returns 1 for R8 formats (all
PIPE_BUFFERs are R8).

Reviewed-by: Elie Tournier <elie.tournier at collabora.com>

---

 src/gallium/drivers/virgl/virgl_resource.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/gallium/drivers/virgl/virgl_resource.c b/src/gallium/drivers/virgl/virgl_resource.c
index ae97d4c45e..6d930dc1a5 100644
--- a/src/gallium/drivers/virgl/virgl_resource.c
+++ b/src/gallium/drivers/virgl/virgl_resource.c
@@ -171,8 +171,10 @@ virgl_resource_create_transfer(struct pipe_context *ctx,
    }
    else if (pres->target == PIPE_TEXTURE_1D_ARRAY) {
       offset += box->z * metadata->stride[level];
-   }
-   else {
+      assert(box->y == 0);
+   } else if (pres->target == PIPE_BUFFER) {
+      assert(box->y == 0 && box->z == 0);
+   } else {
       assert(box->z == 0);
    }