fix a buffer overflow

[libpicofe.git] / gl.c

diff --git a/gl.c b/gl.c
index 44e0dd5..2ebb87c 100644 (file)
--- a/gl.c
+++ b/gl.c
@@ -10,6 +10,10 @@ static EGLDisplay edpy;
 static EGLSurface esfc;
 static EGLContext ectxt;
 
+/* for external flips */
+void *gl_es_display;
+void *gl_es_surface;
+
 static int gl_have_error(const char *name)
 {
        GLenum e = glGetError();
@@ -119,6 +123,8 @@ int gl_init(void *display, void *window, int *quirks)
        if (gl_have_error("init"))
                goto out;
 
+       gl_es_display = (void *)edpy;
+       gl_es_surface = (void *)esfc;
        retval = 0;
 out:
        free(tmp_texture_mem);
@@ -185,5 +191,8 @@ void gl_finish(void)
        eglTerminate(edpy);
        edpy = EGL_NO_DISPLAY;
 
+       gl_es_display = (void *)edpy;
+       gl_es_surface = (void *)esfc;
+
        gl_platform_finish();
 }