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-rw-r--r--src/gallium/drivers/virgl/virgl_buffer.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/gallium/drivers/virgl/virgl_buffer.c b/src/gallium/drivers/virgl/virgl_buffer.c
index 82313918ae1..ac68a471cdc 100644
--- a/src/gallium/drivers/virgl/virgl_buffer.c
+++ b/src/gallium/drivers/virgl/virgl_buffer.c
@@ -33,6 +33,8 @@ static void *virgl_buffer_transfer_map(struct pipe_context *ctx,
ctx->flush(ctx, NULL, 0);
else if ((usage & PIPE_TRANSFER_READ) && (vbuf->on_list == TRUE))
ctx->flush(ctx, NULL, 0);
+ else if ((usage & PIPE_TRANSFER_READ) && (resource->bind == PIPE_BIND_STREAM_OUTPUT))
+ ctx->flush(ctx, NULL, 0);
trans = util_slab_alloc(&vctx->texture_transfer_pool);
if (trans == NULL)