Made glfwGetProcAddress return a function pointer.

include/GL/glfw3.h

@@ -470,6 +470,9 @@ extern "C" {
  * Typedefs
  *************************************************************************/
 
+/* OpenGL function pointer type */
+typedef void (*GLFWglproc)(void);
+
 /* Window handle type */
 typedef void* GLFWwindow;
 
@@ -589,7 +592,7 @@ GLFWAPI GLFWwindow glfwGetCurrentContext(void);
 GLFWAPI void  glfwSwapBuffers(void);
 GLFWAPI void  glfwSwapInterval(int interval);
 GLFWAPI int   glfwExtensionSupported(const char* extension);
-GLFWAPI void* glfwGetProcAddress(const char* procname);
+GLFWAPI GLFWglproc glfwGetProcAddress(const char* procname);
 GLFWAPI void  glfwCopyContext(GLFWwindow src, GLFWwindow dst, unsigned long mask);
 
 

readme.html

@@ -292,6 +292,7 @@ version of GLFW.</p>
   <li>Added <code>glfwSetGamma</code>, <code>glfwSetGammaRamp</code> and <code>glfwGetGammaRamp</code> functions and <code>GLFWgammaramp</code> type for monitor gamma ramp control</li>
   <li>Changed buffer bit depth parameters of <code>glfwOpenWindow</code> to window hints</li>
   <li>Changed <code>glfwOpenWindow</code> and <code>glfwSetWindowTitle</code> to use UTF-8 encoded strings</li>
+  <li>Changed <code>glfwGetProcAddress</code> to return a (generic) function pointer</li>
   <li>Renamed <code>glfw.h</code> to <code>glfw3.h</code> to avoid conflicts with 2.x series</li>
   <li>Renamed <code>GLFW_WINDOW</code> token to <code>GLFW_WINDOWED</code></li>
   <li>Renamed <code>GLFW_WINDOW_NO_RESIZE</code> to <code>GLFW_WINDOW_RESIZABLE</code></li>

src/cocoa_opengl.m

@@ -88,13 +88,13 @@ int _glfwPlatformExtensionSupported(const char* extension)
 // Get the function pointer to an OpenGL function
 //========================================================================
 
-void* _glfwPlatformGetProcAddress(const char* procname)
+GLFWglproc _glfwPlatformGetProcAddress(const char* procname)
 {
     CFStringRef symbolName = CFStringCreateWithCString(kCFAllocatorDefault,
                                                        procname,
                                                        kCFStringEncodingASCII);
 
-    void* symbol = CFBundleGetFunctionPointerForName(_glfwLibrary.NSGL.framework,
+    GLFWglproc symbol = CFBundleGetFunctionPointerForName(_glfwLibrary.NSGL.framework,
                                                           symbolName);
 
     CFRelease(symbolName);

src/internal.h

@@ -327,7 +327,7 @@ void _glfwPlatformSwapBuffers(void);
 void _glfwPlatformSwapInterval(int interval);
 void _glfwPlatformRefreshWindowParams(void);
 int  _glfwPlatformExtensionSupported(const char* extension);
-void* _glfwPlatformGetProcAddress(const char* procname);
+GLFWglproc _glfwPlatformGetProcAddress(const char* procname);
 void _glfwPlatformCopyContext(_GLFWwindow* src, _GLFWwindow* dst, unsigned long mask);
 
 

src/opengl.c

@@ -613,7 +613,7 @@ GLFWAPI int glfwExtensionSupported(const char* extension)
 // This function can be used to get access to extended OpenGL functions.
 //========================================================================
 
-GLFWAPI void* glfwGetProcAddress(const char* procname)
+GLFWAPI GLFWglproc glfwGetProcAddress(const char* procname)
 {
     if (!_glfwInitialized)
     {

src/win32_opengl.c

@@ -111,9 +111,9 @@ int _glfwPlatformExtensionSupported(const char* extension)
 // Get the function pointer to an OpenGL function
 //========================================================================
 
-void* _glfwPlatformGetProcAddress(const char* procname)
+GLFWglproc _glfwPlatformGetProcAddress(const char* procname)
 {
-    return (void*) wglGetProcAddress(procname);
+    return wglGetProcAddress(procname);
 }
 
 

src/x11_opengl.c

@@ -752,9 +752,9 @@ int _glfwPlatformExtensionSupported(const char* extension)
 // Get the function pointer to an OpenGL function
 //========================================================================
 
-void* _glfwPlatformGetProcAddress(const char* procname)
+GLFWglproc _glfwPlatformGetProcAddress(const char* procname)
 {
-    return (void*) _glfw_glXGetProcAddress((const GLubyte*) procname);
+    return _glfw_glXGetProcAddress((const GLubyte*) procname);
 }