---
src/mesa/main/teximage.h | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/src/mesa/main/teximage.h b/src/mesa/main/teximage.h
index 39ff8ea..37affbe 100644
--- a/src/mesa/main/teximage.h
+++ b/src/mesa/main/teximage.h
@@ -49,6 +49,23 @@ _mesa_is_cube_face(GLenum target)
/**
+ * If the target is GL_TEXTURE_CUBE_MAP, return one of the
+ * GL_TEXTURE_CUBE_MAP_POSITIVE/NEGATIVE_X/Y/Z targets corresponding to
+ * the face parameter.
+ * Else, return target as-is.
+ */
+static inline GLenum
+_mesa_cube_face_target(GLenum target, unsigned face)
+{
+ assert(face < 6);
+ if (target == GL_TEXTURE_CUBE_MAP)
+ return GL_TEXTURE_CUBE_MAP_POSITIVE_X + face;
+ else
+ return target;
+}
+
+
+/**
* For cube map faces, return a face index in [0,5].
* For other targets return 0;
*/
--
1.9.1
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