Using NSLog to print object instances into messages (such as NSString , NSDate , NSArray , NSDictionary), the messages in console are very useful when we’re debugging our APP. But when we inherited an object from NSObject(for exmaple , named it TestObject):
// TestObject.h @interface TestObject : NSObject { NSString *_name; int _age; } @property [...]
Read Implementation-Dependent Values Common OpenGL ES implementation-dependent values
Values should be tested in both OpenGL ES 1.1 and OpenGL ES 2.0 applications.
GL_MAX_TEXTURE_SIZE Maximum size of the texture GL_DEPTH_BITS Number of depth buffer planes GL_STENCIL_BITS Number of stencil buffer planes OpenGL ES 2.0 shader values
In an OpenGL ES 2.0 application, [...]