Darwin (MacOSX)-specific platform features
This was implemented with the help of the following links:
Apple's Mac OS X OpenGL interfaces: http://developer.apple.com/qa/qa2001/qa1269.html [2
As above, but updated:
CGL reference: http://developer.apple.com/documentation/GraphicsImaging/Reference/CGL_OpenGL/index.html#//apple_ref/doc/uid/TP40001186 [4
Intro to OpenGL on Mac OS X:
About the CGL API, (from ): CGL or Core OpenGL is the lowest accessible interface API for OpenGL. It knows nothing about windowing systems but can be used directly to find both renderer information and as a full screen or off screen interface. It is accessible from both Cocoa and Carbon and is what both NSGL and AGL are built on. A complete Pbuffer interface is also provided. Functionality is provided in via the OpenGL framework and applications can include the OpenGL.h header to access CGL's functionality. Developers can see an example of using CGL with Carbon in the Carbon CGL code sample.
Documentation and header files are found in: /System/Library/Frameworks/OpenGL.framework /System/Library/Frameworks/GLUT.framework
Darwin (OSX) platform implementation
* argtypes ,
CFUNCTYPE(restype, *argtypes, use_errno=False, use_last_error=False) -> function prototype.
restype: the result type argtypes: a sequence specifying the argument types
The function prototype can be called in different ways to create a callable object:
prototype(integer address) -> foreign function prototype(callable) -> create and return a C callable function from callable prototype(integer index, method name
) -> foreign function calling a COM method prototype((ordinal number, dll object)
) -> foreign function exported by ordinal prototype((function name, dll object)
) -> foreign function exported by name
Platform specific function to retrieve a GLUT font pointer
GLUTAPI void *glutBitmap9By15; #define GLUT_BITMAP_9_BY_15 (&glutBitmap9By15)
Key here is that we want the addressof the pointer in the DLL, not the pointer in the DLL. That is, our pointer is to the pointer defined in the DLL, we don't want the *value* stored in that pointer.