Mesa (master): zink: partially enable SSBO pipe cap

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Module: Mesa
Branch: master
Commit: 322a3d4fb0c3601a42dfe267c57aebe6fda4c25e
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=322a3d4fb0c3601a42dfe267c57aebe6fda4c25e

Author: Mike Blumenkrantz <michael.blumenkrantz at gmail.com>
Date:   Tue Jan  5 08:51:28 2021 -0500

zink: partially enable SSBO pipe cap

this enables atomic counters

Reviewed-by: Erik Faye-Lund <erik.faye-lund at collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8330>

---

 src/gallium/drivers/zink/zink_screen.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/zink/zink_screen.c b/src/gallium/drivers/zink/zink_screen.c
index 19ca15f8031..93b2b8cde13 100644
--- a/src/gallium/drivers/zink/zink_screen.c
+++ b/src/gallium/drivers/zink/zink_screen.c
@@ -528,7 +528,8 @@ zink_get_shader_param(struct pipe_screen *pscreen,
       return 32; /* arbitrary */
 
    case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
-      return 0;
+      /* TODO: this limitation is dumb, and will need some fixes in mesa */
+      return MIN2(screen->info.props.limits.maxPerStageDescriptorStorageBuffers, PIPE_MAX_SHADER_BUFFERS);
 
    case PIPE_SHADER_CAP_SUPPORTED_IRS:
       return (1 << PIPE_SHADER_IR_NIR) | (1 << PIPE_SHADER_IR_TGSI);