Mesa (master): zink: respect feature-cap for sample-shading

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Module: Mesa
Branch: master
Commit: 6f6941e2dd8f1d1d1d6e52276485d41c7dd0b029
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=6f6941e2dd8f1d1d1d6e52276485d41c7dd0b029

Author: Erik Faye-Lund <erik.faye-lund at collabora.com>
Date:   Fri Jan 22 09:11:51 2021 +0100

zink: respect feature-cap for sample-shading

Vulkan has a cap to enable this, we should check that one rather than
always claiming support.

Fixes: 0c70268ff73 ("zink: mark ARB_sample_shading as supported")
Reviewed-by: Hoe Hao Cheng <haochengho12907 at gmail.com>
Reviewed-By: Mike Blumenkrantz <michael.blumenkrantz at gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8640>

---

 src/gallium/drivers/zink/zink_screen.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/zink/zink_screen.c b/src/gallium/drivers/zink/zink_screen.c
index d02b03916c4..e7afeecbb5c 100644
--- a/src/gallium/drivers/zink/zink_screen.c
+++ b/src/gallium/drivers/zink/zink_screen.c
@@ -153,9 +153,11 @@ zink_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
       return screen->timestamp_valid_bits > 0;
 
    case PIPE_CAP_TEXTURE_MULTISAMPLE:
-   case PIPE_CAP_SAMPLE_SHADING:
       return 1;
 
+   case PIPE_CAP_SAMPLE_SHADING:
+      return screen->info.feats.features.sampleRateShading;
+
    case PIPE_CAP_TEXTURE_SWIZZLE:
       return 1;