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virgl: add texture_barrier stub

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In gallium, supporting FBFETCH means supporting non-coherent fetches, but
in virglrenderer, due to technical reasons this is backed by coherent
fetches instead. This means we don't need to do anything for the barriers.

However, if we don't have a texture_barrier implementation, we get crashes
because the non-coherent extensions is exposed.

So, let's leave this as a NOP for now.

[airlied: I've got a more complete impl of this somewhere, once we
land the host side].
Reviewed-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
This commit is contained in:
Erik Faye-Lund 2018-07-20 11:10:20 +01:00 • committed by Dave Airlie
parent 6f5d463a78
commit 7ef86a03f0
1 changed files with 7 additions and 0 deletions
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7
src/gallium/drivers/virgl/virgl_context.c
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@ -804,6 +804,12 @@ static void virgl_set_sampler_views(struct pipe_context *ctx,
virgl_attach_res_sampler_views(vctx, shader_type);
}
static void
virgl_texture_barrier(struct pipe_context *pctx, unsigned flags)
{
/* stub */
}
static void virgl_destroy_sampler_view(struct pipe_context *ctx,
struct pipe_sampler_view *view)
{
@ -1174,6 +1180,7 @@ struct pipe_context *virgl_context_create(struct pipe_screen *pscreen,
vctx->base.create_sampler_view = virgl_create_sampler_view;
vctx->base.sampler_view_destroy = virgl_destroy_sampler_view;
vctx->base.set_sampler_views = virgl_set_sampler_views;
vctx->base.texture_barrier = virgl_texture_barrier;
vctx->base.create_sampler_state = virgl_create_sampler_state;
vctx->base.delete_sampler_state = virgl_delete_sampler_state;