fix behavior of glDeleteShader and glDeleteProgram when deleting an object which does not exist, INVALID_VALUE error should be generated Change-Id: I52de29f7f980d63f0d35c9dfbfd3da17f89436e6
fix behavior of glDeleteShader and glDeleteProgram when deleting an object which does not exist, INVALID_VALUE error should be generated Change-Id: I52de29f7f980d63f0d35c9dfbfd3da17f89436e6