glut: added GLUT_PPM_FILE env var to dump first frame to a PPM file

[mesa.git] / src / glut / glx / glutint.h

diff --git a/src/glut/glx/glutint.h b/src/glut/glx/glutint.h
index 6fe09ffe7e708e914b23a38345111c830797966f..f32da28239e2b39193550bd65485f5d54fac6a2a 100644 (file)
--- a/src/glut/glx/glutint.h
+++ b/src/glut/glx/glutint.h
@@ -26,7 +26,10 @@
 #include <GL/glx.h>
 #endif
 
+#ifndef GLUT_BUILDING_LIB
 #define GLUT_BUILDING_LIB  /* Building the GLUT library itself. */
+#endif
+
 #include <GL/glut.h>
 
 #if defined(MESA) && defined(_WIN32) && !defined(__CYGWIN32__)
@@ -661,6 +664,7 @@ extern unsigned int __glutModifierMask;
 #ifdef _WIN32
 extern void (__cdecl *__glutExitFunc)(int retval);
 #endif
+extern char *__glutPPMFile;
 
 /* private variables from glut_menu.c */
 extern GLUTmenuItem *__glutItemSelected;
@@ -681,6 +685,9 @@ extern void __glutFreeOverlay(GLUToverlay * overlay);
 extern XVisualInfo *__glutDetermineWindowVisual(Bool * treatAsSingle,
   Bool * visAlloced, void **fbc);
 
+/* private variables from glut_ppm.c */
+extern void __glutWritePPMFile(void);
+
 /* private variables from glut_mesa.c */
 extern int __glutMesaSwapHackSupport;
 
@@ -809,4 +816,5 @@ extern LONG WINAPI __glutWindowProc(HWND win, UINT msg, WPARAM w, LPARAM l);
 extern HDC XHDC;
 #endif
 
+
 #endif /* __glutint_h__ */