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u_prim_restart: handle user buffers in util_translate_prim_restart_ib()

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Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5806>
This commit is contained in:
Mike Blumenkrantz
2020-07-02 16:08:44 -04:00
committed by Marge Bot
parent 66ed9792ed
commit e66e0c0c2d
1 changed files with 11 additions and 10 deletions
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src/gallium/auxiliary/util/u_prim_restart.c
+11 -10
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@@ -52,9 +52,6 @@ util_translate_prim_restart_ib(struct pipe_context *context,
dst_index_size = MAX2(2, info->index_size);
assert(dst_index_size == 2 || dst_index_size == 4);
/* no user buffers for now */
assert(!info->has_user_indices);
/* Create new index buffer */
*dst_buffer = pipe_buffer_create(screen, PIPE_BIND_INDEX_BUFFER,
PIPE_USAGE_STREAM,
@@ -68,12 +65,15 @@ util_translate_prim_restart_ib(struct pipe_context *context,
if (!dst_map)
goto error;
/* Map original / src index buffer */
src_map = pipe_buffer_map_range(context, info->index.resource,
info->start * src_index_size,
info->count * src_index_size,
PIPE_TRANSFER_READ,
&src_transfer);
if (info->has_user_indices)
src_map = (unsigned char*)info->index.user + info->start * src_index_size;
else
/* Map original / src index buffer */
src_map = pipe_buffer_map_range(context, info->index.resource,
info->start * src_index_size,
info->count * src_index_size,
PIPE_TRANSFER_READ,
&src_transfer);
if (!src_map)
goto error;
@@ -104,7 +104,8 @@ util_translate_prim_restart_ib(struct pipe_context *context,
}
}
pipe_buffer_unmap(context, src_transfer);
if (src_transfer)
pipe_buffer_unmap(context, src_transfer);
pipe_buffer_unmap(context, dst_transfer);
return PIPE_OK;