virgl: use hw-atomics instead of in-ssbo ones

Emulating atomics on top of ssbos can lead to too small max SSBO count,
so let's use the hw-atomics mechanism to expose atomic buffers instead.

Signed-off-by: Erik Faye-Lund <[email protected]>
Reviewed-by: Gurchetan Singh <[email protected]>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/gallium/drivers/virgl/virgl_context.h b/src/gallium/drivers/virgl/virgl_context.h
index 38d1f450e17..20988baa3c7 100644
--- a/src/gallium/drivers/virgl/virgl_context.h
+++ b/src/gallium/drivers/virgl/virgl_context.h
@@ -75,6 +75,8 @@ struct virgl_context {
    int num_draws;
    struct list_head to_flush_bufs;
 
+   struct pipe_resource *atomic_buffers[PIPE_MAX_HW_ATOMIC_BUFFERS];
+
    struct primconvert_context *primconvert;
    uint32_t hw_sub_ctx_id;
 };