X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=glwrap.h;h=6acf3fcdb98cc00c86f690d217a070ddc1d0a96e;hb=158a5862aeea9224fcd60c28b0bb19cb6b9f9381;hp=2dc18383c0c864e40e5b033ce67f2f209fe895dd;hpb=4ef9d74d4ff12afcc7e31bf13fe2a4993f06b987;p=fips

diff --git a/glwrap.h b/glwrap.h
index 2dc1838..6acf3fc 100644
--- a/glwrap.h
+++ b/glwrap.h
@@ -26,6 +26,10 @@
 void *
 glwrap_lookup (char *name);
 
+/* Register a dlopened handle to be used by glwrap. */
+void
+glwrap_set_gl_handle (void *handle);
+
 /* Defer to the real 'function' (from libGL.so) to do the real work.
  * The symbol is looked up once and cached in a static variable for
  * future uses.
@@ -37,10 +41,12 @@ glwrap_lookup (char *name);
 	real_ ## function(__VA_ARGS__); 			\
 } while (0);
 
-/* Should be called at the end of ever function wrapper for an OpenGL
- * function that ends a frame, (glXSwapBuffers and similar).
- */
-void
-glwrap_end_frame (void);
+/* As GLWRAP_DEFER, but also set 'ret' to the return value */
+#define GLWRAP_DEFER_WITH_RETURN(ret, function,...) do {	\
+	static typeof(&function) real_ ## function;		\
+	if (! real_ ## function)				\
+		real_ ## function = glwrap_lookup (#function);	\
+	(ret) = real_ ## function(__VA_ARGS__); 		\
+} while (0);
 
 #endif