From: Kristian Høgsberg <krh@redhat.com>
Date: Tue, 1 May 2007 01:05:10 +0000 (-0400)
Subject: Add macros to generate CreateNewScreen entrypoint.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b42152061c50e870dc2698ea1d860980ce1198b1;p=mesa.git

Add macros to generate CreateNewScreen entrypoint.
---

diff --git a/include/GL/internal/dri_interface.h b/include/GL/internal/dri_interface.h
index a1a29409b11..97edec0ca9d 100644
--- a/include/GL/internal/dri_interface.h
+++ b/include/GL/internal/dri_interface.h
@@ -93,11 +93,28 @@ typedef void (* PFNGLXSCRENABLEEXTENSIONPROC) ( void *psc, const char * name );
 /*@}*/
 
 
+/**
+ * Macros for building symbol and strings.  Standard CPP two step...
+ */
+
+#define __DRI_REAL_STRINGIFY(x) # x
+#define __DRI_STRINGIFY(x) __DRI_REAL_STRINGIFY(x)
+#define __DRI_REAL_MAKE_VERSION(name, version) name ## _ ## version
+#define __DRI_MAKE_VERSION(name, version) __DRI_REAL_MAKE_VERSION(name, version)
+
+#define __DRI_CREATE_NEW_SCREEN \
+    __DRI_MAKE_VERSION(__driCreateNewScreen, __DRI_INTERFACE_VERSION)
+
+#define __DRI_CREATE_NEW_SCREEN_STRING \
+    __DRI_STRINGIFY(__DRI_CREATE_NEW_SCREEN)
+
 /**
  * \name Functions and data provided by the driver.
  */
 /*@{*/
 
+#define __DRI_INTERFACE_VERSION 20070105
+
 typedef void *(CREATENEWSCREENFUNC)(__DRInativeDisplay *dpy, int scrn,
     __DRIscreen *psc, const __GLcontextModes * modes,
     const __DRIversion * ddx_version, const __DRIversion * dri_version,
@@ -106,7 +123,8 @@ typedef void *(CREATENEWSCREENFUNC)(__DRInativeDisplay *dpy, int scrn,
     const __DRIinterfaceMethods * interface,
     __GLcontextModes ** driver_modes);
 typedef CREATENEWSCREENFUNC* PFNCREATENEWSCREENFUNC;
-extern CREATENEWSCREENFUNC __driCreateNewScreen_20070105;
+extern CREATENEWSCREENFUNC __DRI_CREATE_NEW_SCREEN;
+
 
 
 /**
diff --git a/src/glx/x11/dri_glx.c b/src/glx/x11/dri_glx.c
index d68addaa9f4..c02f105611c 100644
--- a/src/glx/x11/dri_glx.c
+++ b/src/glx/x11/dri_glx.c
@@ -167,11 +167,8 @@ ExtractDir(int index, const char *paths, int dirLen, char *dir)
  * The version of the last incompatible loader/driver inteface change is
  * appended to the name of the \c __driCreateNewScreen function.  This
  * prevents loaders from trying to load drivers that are too old.
- * 
- * \todo
- * Create a macro or something so that this is automatically updated.
  */
-static const char createNewScreenName[] = "__driCreateNewScreen_20070105";
+static const char createNewScreenName[] = __DRI_CREATE_NEW_SCREEN_STRING;
 
 
 /**