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-rw-r--r--src/mesa/main/viewport.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mesa/main/viewport.h b/src/mesa/main/viewport.h
index 514ff1067ff..426e194bd9b 100644
--- a/src/mesa/main/viewport.h
+++ b/src/mesa/main/viewport.h
@@ -71,6 +71,9 @@ _mesa_init_viewport(struct gl_context *ctx);
extern void
_mesa_free_viewport_data(struct gl_context *ctx);
+extern void GLAPIENTRY
+_mesa_ClipControl(GLenum origin, GLenum depth);
+
extern void
_mesa_get_viewport_xform(struct gl_context *ctx, unsigned i,
double scale[3], double translate[3]);