Split platform-specific global data.

src/cocoa_init.m

@@ -81,9 +81,9 @@ int _glfwPlatformInit(void)
 {
     _glfwLibrary.NS.autoreleasePool = [[NSAutoreleasePool alloc] init];
 
-    _glfwLibrary.NS.OpenGLFramework =
+    _glfwLibrary.NSGL.framework =
         CFBundleGetBundleWithIdentifier(CFSTR("com.apple.opengl"));
-    if (_glfwLibrary.NS.OpenGLFramework == NULL)
+    if (_glfwLibrary.NSGL.framework == NULL)
     {
         _glfwSetError(GLFW_PLATFORM_ERROR,
                       "glfwInit: Failed to locate OpenGL framework");

src/cocoa_opengl.m

@@ -94,7 +94,7 @@ void* _glfwPlatformGetProcAddress(const char* procname)
                                                        procname,
                                                        kCFStringEncodingASCII);
 
-    void* symbol = CFBundleGetFunctionPointerForName(_glfwLibrary.NS.OpenGLFramework,
+    void* symbol = CFBundleGetFunctionPointerForName(_glfwLibrary.NSGL.framework,
                                                      symbolName);
 
     CFRelease(symbolName);

src/cocoa_platform.h

@@ -43,8 +43,9 @@ typedef void* id;
 
 
 #define _GLFW_PLATFORM_WINDOW_STATE  _GLFWwindowNS NS
-#define _GLFW_PLATFORM_LIBRARY_STATE _GLFWlibraryNS NS
 #define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextNSGL NSGL
+#define _GLFW_PLATFORM_LIBRARY_WINDOW_STATE _GLFWlibraryNS NS
+#define _GLFW_PLATFORM_LIBRARY_OPENGL_STATE _GLFWlibraryNSGL NSGL
 
 
 //========================================================================
@@ -80,7 +81,7 @@ typedef struct _GLFWwindowNS
 
 
 //------------------------------------------------------------------------
-// Platform-specific library global data
+// Platform-specific library global data for Cocoa
 //------------------------------------------------------------------------
 typedef struct _GLFWlibraryNS
 {
@@ -89,8 +90,6 @@ typedef struct _GLFWlibraryNS
         double resolution;
     } timer;
 
-    // dlopen handle for dynamically loading OpenGL extension entry points
-    void*            OpenGLFramework;
     CGDisplayModeRef desktopMode;
     CGEventSourceRef eventSource;
     id               delegate;
@@ -100,6 +99,16 @@ typedef struct _GLFWlibraryNS
 } _GLFWlibraryNS;
 
 
+//------------------------------------------------------------------------
+// Platform-specific library global data for NSGL
+//------------------------------------------------------------------------
+typedef struct _GLFWlibraryNSGL
+{
+    // dlopen handle for dynamically loading OpenGL extension entry points
+    void*            framework;
+} _GLFWlibraryNSGL;
+
+
 //========================================================================
 // Prototypes for platform specific internal functions
 //========================================================================

src/internal.h

@@ -247,7 +247,8 @@ struct _GLFWlibrary
     int           originalRampSize;
 
     // This is defined in the current port's platform.h
-    _GLFW_PLATFORM_LIBRARY_STATE;
+    _GLFW_PLATFORM_LIBRARY_WINDOW_STATE;
+    _GLFW_PLATFORM_LIBRARY_OPENGL_STATE;
 };
 
 

src/win32_platform.h

@@ -111,8 +111,9 @@ typedef DWORD (WINAPI * TIMEGETTIME_T) (void);
 
 
 #define _GLFW_PLATFORM_WINDOW_STATE  _GLFWwindowWin32 Win32
-#define _GLFW_PLATFORM_LIBRARY_STATE _GLFWlibraryWin32 Win32
 #define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextWGL WGL
+#define _GLFW_PLATFORM_LIBRARY_WINDOW_STATE _GLFWlibraryWin32 Win32
+#define _GLFW_PLATFORM_LIBRARY_OPENGL_STATE _GLFWlibraryWGL WGL
 
 
 //========================================================================
@@ -169,7 +170,7 @@ typedef struct _GLFWwindowWin32
 
 
 //------------------------------------------------------------------------
-// Platform-specific library global data
+// Platform-specific library global data for Win32
 //------------------------------------------------------------------------
 typedef struct _GLFWlibraryWin32
 {
@@ -210,6 +211,16 @@ typedef struct _GLFWlibraryWin32
 } _GLFWlibraryWin32;
 
 
+//------------------------------------------------------------------------
+// Platform-specific library global data for WGL
+//------------------------------------------------------------------------
+typedef struct _GLFWlibraryWGL
+{
+    int dummy;
+
+} _GLFWlibraryWGL;
+
+
 //========================================================================
 // Prototypes for platform specific internal functions
 //========================================================================

src/x11_init.c

@@ -55,8 +55,8 @@ static void initLibraries(void)
 
     for (i = 0;  libGL_names[i] != NULL;  i++)
     {
-        _glfwLibrary.X11.libGL = dlopen(libGL_names[i], RTLD_LAZY | RTLD_GLOBAL);
+        _glfwLibrary.GLX.libGL = dlopen(libGL_names[i], RTLD_LAZY | RTLD_GLOBAL);
-        if (_glfwLibrary.X11.libGL)
+        if (_glfwLibrary.GLX.libGL)
             break;
     }
 #endif
@@ -569,8 +569,8 @@ static GLboolean initDisplay(void)
     }
 
     if (!glXQueryVersion(_glfwLibrary.X11.display,
-                         &_glfwLibrary.X11.glxMajor,
+                         &_glfwLibrary.GLX.majorVersion,
-                         &_glfwLibrary.X11.glxMinor))
+                         &_glfwLibrary.GLX.minorVersion))
     {
         _glfwSetError(GLFW_OPENGL_UNAVAILABLE,
                       "X11/GLX: Failed to query GLX version");
@@ -775,10 +775,10 @@ int _glfwPlatformTerminate(void)
 
     // Unload libGL.so if necessary
 #ifdef _GLFW_DLOPEN_LIBGL
-    if (_glfwLibrary.X11.libGL != NULL)
+    if (_glfwLibrary.GLX.libGL != NULL)
     {
-        dlclose(_glfwLibrary.X11.libGL);
+        dlclose(_glfwLibrary.GLX.libGL);
-        _glfwLibrary.X11.libGL = NULL;
+        _glfwLibrary.GLX.libGL = NULL;
     }
 #endif
 

src/x11_platform.h

@@ -75,15 +75,16 @@
 #elif defined(_GLFW_HAS_GLXGETPROCADDRESSEXT)
  #define _glfw_glXGetProcAddress(x) glXGetProcAddressEXT(x)
 #elif defined(_GLFW_HAS_DLOPEN)
- #define _glfw_glXGetProcAddress(x) dlsym(_glfwLibrary.X11.libGL, x)
+ #define _glfw_glXGetProcAddress(x) dlsym(_glfwLibrary.GLX.libGL, x)
  #define _GLFW_DLOPEN_LIBGL
 #else
  #error "No OpenGL entry point retrieval mechanism was enabled"
 #endif
 
 #define _GLFW_PLATFORM_WINDOW_STATE  _GLFWwindowX11 X11
-#define _GLFW_PLATFORM_LIBRARY_STATE _GLFWlibraryX11 X11
 #define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextGLX GLX
+#define _GLFW_PLATFORM_LIBRARY_WINDOW_STATE _GLFWlibraryX11 X11
+#define _GLFW_PLATFORM_LIBRARY_OPENGL_STATE _GLFWlibraryGLX GLX
 
 // Clipboard format atom indices
 #define _GLFW_CLIPBOARD_FORMAT_UTF8     0
@@ -157,7 +158,7 @@ typedef struct _GLFWwindowX11
 
 
 //------------------------------------------------------------------------
-// Platform-specific library global data
+// Platform-specific library global data for X11
 //------------------------------------------------------------------------
 typedef struct _GLFWlibraryX11
 {
@@ -177,9 +178,6 @@ typedef struct _GLFWlibraryX11
     // True if window manager supports EWMH
     GLboolean       hasEWMH;
 
-    // Server-side GLX version
-    int             glxMajor, glxMinor;
-
     struct {
         GLboolean   available;
         int         eventBase;
@@ -248,10 +246,21 @@ typedef struct _GLFWlibraryX11
         int status;
     } selection;
 
+} _GLFWlibraryX11;
+
+
+//------------------------------------------------------------------------
+// Platform-specific library global data for GLX
+//------------------------------------------------------------------------
+typedef struct _GLFWlibraryGLX
+{
+    // Server-side GLX version
+    int             majorVersion, minorVersion;
+
 #if defined(_GLFW_DLOPEN_LIBGL)
     void*           libGL;  // dlopen handle for libGL.so
 #endif
-} _GLFWlibraryX11;
+} _GLFWlibraryGLX;
 
 
 //------------------------------------------------------------------------

src/x11_window.c

@@ -131,7 +131,7 @@ static _GLFWfbconfig* getFBConfigs(_GLFWwindow* window, unsigned int* found)
 
     *found = 0;
 
-    if (_glfwLibrary.X11.glxMajor == 1 && _glfwLibrary.X11.glxMinor < 3)
+    if (_glfwLibrary.GLX.majorVersion == 1 && _glfwLibrary.GLX.minorVersion < 3)
     {
         if (!window->GLX.SGIX_fbconfig)
         {