virgl: remove pointless transfer-counter

This is only written to, never read. Let's just get rid of it.

Signed-off-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>

src/gallium/drivers/virgl/virgl_buffer.c

@@ -88,7 +88,6 @@ static void virgl_buffer_transfer_unmap(struct pipe_context *ctx,
          trans->offset = transfer->box.x;
       }
 
-      vctx->num_transfers++;
       virgl_transfer_queue_unmap(&vctx->queue, trans);
    } else
       virgl_resource_destroy_transfer(&vctx->transfer_pool, trans);

src/gallium/drivers/virgl/virgl_context.c

@@ -755,7 +755,7 @@ static void virgl_flush_eq(struct virgl_context *ctx, void *closure,
       u_upload_unmap(ctx->uploader);
 
    /* send the buffer to the remote side for decoding */
-   ctx->num_transfers = ctx->num_draws = ctx->num_compute = 0;
+   ctx->num_draws = ctx->num_compute = 0;
 
    virgl_transfer_queue_clear(&ctx->queue, ctx->cbuf);
    rs->vws->submit_cmd(rs->vws, ctx->cbuf, fence);

src/gallium/drivers/virgl/virgl_context.h

@@ -82,7 +82,7 @@ struct virgl_context {
 
    struct pipe_resource *ssbos[PIPE_SHADER_TYPES][PIPE_MAX_SHADER_BUFFERS];
    struct pipe_resource *images[PIPE_SHADER_TYPES][PIPE_MAX_SHADER_BUFFERS];
-   uint32_t num_transfers, num_draws, num_compute;
+   uint32_t num_draws, num_compute;
 
    struct pipe_resource *atomic_buffers[PIPE_MAX_HW_ATOMIC_BUFFERS];
 

src/gallium/drivers/virgl/virgl_texture.c

@@ -178,7 +178,6 @@ static void virgl_texture_transfer_unmap(struct pipe_context *ctx,
    if (trans->base.usage & PIPE_TRANSFER_WRITE) {
       if (!(transfer->usage & PIPE_TRANSFER_FLUSH_EXPLICIT)) {
          struct virgl_screen *vs = virgl_screen(ctx->screen);
-         vctx->num_transfers++;
 
          if (trans->resolve_tmp) {
             vs->vws->transfer_put(vs->vws, vtex->hw_res,