Switch to Glaze to implement glfps

[glfps] / glfps.c

diff --git a/glfps.c b/glfps.c
index 6c9cd4988bfb46c055f7fcd8922e72d75f985535..dca09dda5abb3e9a5fdf3e03c106ac25e0e30cbd 100644 (file)
--- a/glfps.c
+++ b/glfps.c
@@ -11,6 +11,8 @@
 #include <sys/time.h>
 #include <string.h>
 
+#include <glaze.h>
+
 /* How many frames between reports. */
 #define REPORT_FREQ 60
 
@@ -36,88 +38,10 @@ on_each_frame (void)
        count++;
 }
 
-static void *do_real_dlsym (void *handle, const char *symbol);
-
-static typeof(&glXSwapBuffers) real_glXSwapBuffers;
-
 void
 glXSwapBuffers (Display *dpy, GLXDrawable drawable)
 {
-       if (real_glXSwapBuffers == NULL)
-               real_glXSwapBuffers = do_real_dlsym (RTLD_NEXT, "glXSwapBuffers");
-
        on_each_frame ();
 
-       real_glXSwapBuffers (dpy, drawable);
-}
-
-static typeof(&glXGetProcAddressARB) real_glXGetProcAddressARB;
-
-void
-(*glXGetProcAddressARB (const GLubyte *func))(void)
-{
-       if (strcmp((char *) func, "glXSwapBuffers") == 0)
-               return (void*) glXSwapBuffers;
-
-       if (real_glXGetProcAddressARB == NULL)
-               real_glXGetProcAddressARB = do_real_dlsym (RTLD_NEXT, "glXGetProcAddressARB");
-
-       return real_glXGetProcAddressARB (func);
-}
-
-static typeof(&glXGetProcAddress) real_glXGetProcAddress;
-
-void
-(*glXGetProcAddress (const GLubyte *func))(void)
-{
-       if (strcmp((char *) func, "glXSwapBuffers") == 0)
-               return (void*) glXSwapBuffers;
-
-       if (real_glXGetProcAddress == NULL)
-               real_glXGetProcAddress = do_real_dlsym (RTLD_NEXT, "glXGetProcAddress");
-
-       return real_glXGetProcAddress (func);
-}
-
-/* We rely on an internal symbol within glibc in order to be able to
- * get a handle on the real dlsym function, (we can't call dlsym to
- * find the address of dlsym itself of course). */
-void * __libc_dlsym(void *, const char *);
-
-static void *
-do_real_dlsym (void *handle, const char *symbol)
-{
-       static typeof(&dlsym) real_dlsym = NULL;
-
-       if (real_dlsym == NULL) {
-               void *libdl_handle = dlopen ("libdl.so.2", RTLD_LAZY);
-               real_dlsym = __libc_dlsym(libdl_handle, "dlsym");
-       }
-
-       return real_dlsym (handle, symbol);
-}
-
-void *
-dlsym (void *handle, const char *symbol)
-{
-       void *ret;
-
-       ret = do_real_dlsym (handle, symbol);
-
-       if (strcmp (symbol, "glXSwapBuffers") == 0) {
-               real_glXSwapBuffers = ret;
-               return &glXSwapBuffers;
-       }
-
-       if (strcmp (symbol, "glXGetProcAddressARB") == 0) {
-               real_glXGetProcAddressARB = ret;
-               return &glXGetProcAddressARB;
-       }
-
-       if (strcmp (symbol, "glXGetProcAddress") == 0) {
-               real_glXGetProcAddress = ret;
-               return &glXGetProcAddress;
-       }
-
-       return ret;
+       GLAZE_DEFER (glXSwapBuffers, dpy, drawable);
 }