* commit 'c8e4598a5e29aae5e973ea033b81dd2b64e19492': fixing bug in the name of GL function "glClearDepthf" --> "glClearDeapth"
* commit 'c8e4598a5e29aae5e973ea033b81dd2b64e19492': fixing bug in the name of GL function "glClearDepthf" --> "glClearDeapth"