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-rw-r--r--src/mesa/main/glformats.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mesa/main/glformats.h b/src/mesa/main/glformats.h
index 7b032157076..584909bfa45 100644
--- a/src/mesa/main/glformats.h
+++ b/src/mesa/main/glformats.h
@@ -35,6 +35,9 @@
extern "C" {
#endif
+extern void
+_mesa_compute_component_mapping(GLenum inFormat, GLenum outFormat, GLubyte *map);
+
extern GLboolean
_mesa_type_is_packed(GLenum type);