From c1fa6bbecf98c1514f5518381b7730653117fa63 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Tue, 4 Jan 2022 15:23:17 -0500
Subject: [PATCH] mesa: Remove unused _mesa_all_varyings_in_vbos

Reviewed-by: Emma Anholt <emma@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14545>
---
 src/mesa/main/arrayobj.c | 33 ---------------------------------
 src/mesa/main/arrayobj.h |  4 ----
 2 files changed, 37 deletions(-)

diff --git a/src/mesa/main/arrayobj.c b/src/mesa/main/arrayobj.c
index 633ec2299ac..d28ead61fc0 100644
--- a/src/mesa/main/arrayobj.c
+++ b/src/mesa/main/arrayobj.c
@@ -818,39 +818,6 @@ _mesa_set_vao_immutable(struct gl_context *ctx,
 }
 
 
-bool
-_mesa_all_varyings_in_vbos(const struct gl_vertex_array_object *vao)
-{
-   /* Walk those enabled arrays that have the default vbo attached */
-   GLbitfield mask = vao->Enabled & ~vao->VertexAttribBufferMask;
-
-   while (mask) {
-      /* Do not use u_bit_scan64 as we can walk multiple
-       * attrib arrays at once
-       */
-      const int i = ffs(mask) - 1;
-      const struct gl_array_attributes *attrib_array =
-         &vao->VertexAttrib[i];
-      const struct gl_vertex_buffer_binding *buffer_binding =
-         &vao->BufferBinding[attrib_array->BufferBindingIndex];
-
-      /* We have already masked out vao->VertexAttribBufferMask  */
-      assert(!buffer_binding->BufferObj);
-
-      /* Bail out once we find the first non vbo with a non zero stride */
-      if (buffer_binding->Stride != 0)
-         return false;
-
-      /* Note that we cannot use the xor variant since the _BoundArray mask
-       * may contain array attributes that are bound but not enabled.
-       */
-      mask &= ~buffer_binding->_BoundArrays;
-   }
-
-   return true;
-}
-
-
 /**
  * Map buffer objects used in attribute arrays.
  */
diff --git a/src/mesa/main/arrayobj.h b/src/mesa/main/arrayobj.h
index 80e24ca4050..9763526b727 100644
--- a/src/mesa/main/arrayobj.h
+++ b/src/mesa/main/arrayobj.h
@@ -100,10 +100,6 @@ _mesa_set_vao_immutable(struct gl_context *ctx,
                         struct gl_vertex_array_object *vao);
 
 
-/* Returns true if all varying arrays reside in vbos */
-extern bool
-_mesa_all_varyings_in_vbos(const struct gl_vertex_array_object *vao);
-
 extern void
 _mesa_vao_map_arrays(struct gl_context *ctx, struct gl_vertex_array_object *vao,
                      GLbitfield access);