spirv: Silence unsupported tessellation capability warnings.

...when the capability bit is set.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com> [v1]
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
diff --git a/src/compiler/spirv/nir_spirv.h b/src/compiler/spirv/nir_spirv.h
index 2850e91..e3f4ee8 100644
--- a/src/compiler/spirv/nir_spirv.h
+++ b/src/compiler/spirv/nir_spirv.h
@@ -47,6 +47,7 @@
 struct nir_spirv_supported_extensions {
    bool float64;
    bool image_ms_array;
+   bool tessellation;
 };
 
 nir_function *spirv_to_nir(const uint32_t *words, size_t word_count,
diff --git a/src/compiler/spirv/spirv_to_nir.c b/src/compiler/spirv/spirv_to_nir.c
index 841f8fd..9170723 100644
--- a/src/compiler/spirv/spirv_to_nir.c
+++ b/src/compiler/spirv/spirv_to_nir.c
@@ -2602,8 +2602,6 @@
          break;
 
       case SpvCapabilityGeometryStreams:
-      case SpvCapabilityTessellation:
-      case SpvCapabilityTessellationPointSize:
       case SpvCapabilityLinkage:
       case SpvCapabilityVector16:
       case SpvCapabilityFloat16Buffer:
@@ -2645,6 +2643,11 @@
       case SpvCapabilityImageMSArray:
          spv_check_supported(image_ms_array, cap);
          break;
+
+      case SpvCapabilityTessellation:
+      case SpvCapabilityTessellationPointSize:
+         spv_check_supported(tessellation, cap);
+         break;
       }
       break;
    }