mesa: Refactor viewport transform computation.

[mesa.git] / src / mesa / main / viewport.h

diff --git a/src/mesa/main/viewport.h b/src/mesa/main/viewport.h
index f2311c02b4478919ef62c292d2d0b7debb6c1904..514ff1067ff1f5455375067e331f4c4ac99889c8 100644 (file)
--- a/src/mesa/main/viewport.h
+++ b/src/mesa/main/viewport.h
@@ -71,5 +71,8 @@ _mesa_init_viewport(struct gl_context *ctx);
 extern void 
 _mesa_free_viewport_data(struct gl_context *ctx);
 
+extern void
+_mesa_get_viewport_xform(struct gl_context *ctx, unsigned i,
+                         double scale[3], double translate[3]);
 
 #endif