Expand glutGetProcAddress() to support core GL functions too under Haiku,

now that we do have a way to retrieve such address.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38579 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/libs/mesa/glut/glutGet.cpp

@@ -221,3 +221,15 @@ int glutGetModifiers() {
 	return gState.modifierKeys;
 }
 
+
+#ifdef __HAIKU__
+
+GLUTproc
+__glutGetProcAddress(const char* procName)
+{
+	if (gState.currentWindow)
+		return (GLUTproc) gState.currentWindow->GetGLProcAddress(procName);
+	return NULL;
+}
+
+#endif

src/libs/mesa/glut/glut_ext.c

@@ -176,6 +176,10 @@ static struct name_address_pair glut_functions[] = {
 };
 
 
+#ifdef __HAIKU__
+extern GLUTproc __glutGetProcAddress(const char* procName);
+#endif
+
 /* XXX This isn't an official GLUT function, yet */
 GLUTproc GLUTAPIENTRY
 glutGetProcAddress(const char *procName)
@@ -192,6 +196,8 @@ glutGetProcAddress(const char *procName)
 	return (GLUTProc) wglGetProcAddress((LPCSTR) procName);
 #elif defined(GLX_ARB_get_proc_address)
 	return (GLUTProc) glXGetProcAddressARB((const GLubyte *) procName);
+#elif defined(__HAIKU__)
+	return __glutGetProcAddress(procName);
 #else
 	return NULL;
 #endif