Mesa (main): crocus: set max clip planes to 6 for gen4.

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Module: Mesa
Branch: main
Commit: 9130e4564b8481b51c6d709bc9b8466cd223b722
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=9130e4564b8481b51c6d709bc9b8466cd223b722

Author: Dave Airlie <airlied at redhat.com>
Date:   Thu Dec 30 11:10:46 2021 +1000

crocus: set max clip planes to 6 for gen4.

Fixes piglit gl-1.0-user-clip-all-planes

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14344>

---

 src/gallium/drivers/crocus/crocus_screen.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/crocus/crocus_screen.c b/src/gallium/drivers/crocus/crocus_screen.c
index 2c23beeddd8..b1e1054d674 100644
--- a/src/gallium/drivers/crocus/crocus_screen.c
+++ b/src/gallium/drivers/crocus/crocus_screen.c
@@ -294,7 +294,11 @@ crocus_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    }
    case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY:
       return 140;
-
+   case PIPE_CAP_CLIP_PLANES:
+      if (devinfo->verx10 < 45)
+         return 6;
+      else
+         return 1; // defaults to MAX (8)
    case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
       /* 3DSTATE_CONSTANT_XS requires the start of UBOs to be 32B aligned */
       return 32;