diff --git a/src/gallium/drivers/zink/zink_screen.c b/src/gallium/drivers/zink/zink_screen.c
index cc8b5ff..3daf814 100644
--- a/src/gallium/drivers/zink/zink_screen.c
+++ b/src/gallium/drivers/zink/zink_screen.c
@@ -321,6 +321,12 @@
    case PIPE_CAP_TWO_SIDED_COLOR:
       return 0;
 
+   case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
+      return screen->info.props.limits.maxTessellationControlPerVertexOutputComponents / 4;
+   case PIPE_CAP_MAX_VARYINGS:
+      /* need to reserve up to 60 of our varying components and 16 slots for streamout */
+      return MIN2(screen->info.props.limits.maxVertexOutputComponents / 4 / 2, 16);
+
    case PIPE_CAP_DMABUF:
       return screen->info.have_KHR_external_memory_fd;