diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/drivers/virgl/virgl_resource.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/gallium/drivers/virgl/virgl_resource.c b/src/gallium/drivers/virgl/virgl_resource.c index 6e3ff80e9e4..461c1768ed8 100644 --- a/src/gallium/drivers/virgl/virgl_resource.c +++ b/src/gallium/drivers/virgl/virgl_resource.c @@ -493,6 +493,18 @@ virgl_resource_transfer_map(struct pipe_context *ctx, /* Multisampled resources require resolve before mapping. */ assert(resource->nr_samples <= 1); + /* If virgl resource was created using persistence and coherency flags, + * then its memory mapping can be only made in accordance to these + * flags. We record the "usage" flags in struct virgl_transfer and + * then virgl_buffer_transfer_unmap() uses them to differentiate + * unmapping of a host blob resource from guest. + */ + if (resource->flags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT) + usage |= PIPE_MAP_PERSISTENT; + + if (resource->flags & PIPE_RESOURCE_FLAG_MAP_COHERENT) + usage |= PIPE_MAP_COHERENT; + trans = virgl_resource_create_transfer(vctx, resource, &vres->metadata, level, usage, box); |