According to the "Errors" list of the OpenGL 4.6 spec, section 8.6 "Alternate Texture Image Specification Commands":
INVALID_OPERATION error is generated by
*TextureSubImage* if the
effective target of texture does not match the command, as shown in table 8.15.
Signed-off-by: Yevhenii Kolesnikov firstname.lastname@example.org
Accompanying changes to piglit test: piglit!345 (merged)