virgl: ARB_enhanced_layouts support

We need to handle the gaps in the streamout bindings on the guest
side and enable if it the host has the rest enabled.

Reviewed-by: Jakob Bornecrantz <[email protected]>

1 files changed, 4 insertions, 1 deletions

diff --git a/src/gallium/drivers/virgl/virgl_streamout.c b/src/gallium/drivers/virgl/virgl_streamout.c
index b6a65fff29e..0fc3af67959 100644
--- a/src/gallium/drivers/virgl/virgl_streamout.c
+++ b/src/gallium/drivers/virgl/virgl_streamout.c
@@ -72,7 +72,10 @@ static void virgl_set_so_targets(struct pipe_context *ctx,
    struct virgl_context *vctx = virgl_context(ctx);
    int i;
    for (i = 0; i < num_targets; i++) {
-      pipe_resource_reference(&vctx->so_targets[i].base.buffer, targets[i]->buffer);
+      if (targets[i])
+         pipe_resource_reference(&vctx->so_targets[i].base.buffer, targets[i]->buffer);
+      else
+         pipe_resource_reference(&vctx->so_targets[i].base.buffer, NULL);
    }
    for (i = num_targets; i < vctx->num_so_targets; i++)
       pipe_resource_reference(&vctx->so_targets[i].base.buffer, NULL);