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path: root/misc/glmark2/glmark2-2017.07/compatibility_with_fbdev.patch
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# Copyright 2018 NXP
# Modify files native-state-x11.cpp and native-state-x11.h for compatibility with fbdev (#define EGL_API_FB)
diff --git a/src/native-state-x11.cpp b/src/native-state-x11.cpp
index 3c1703b..0182e81 100644
--- a/src/native-state-x11.cpp
+++ b/src/native-state-x11.cpp
@@ -23,10 +23,15 @@
 #include "native-state-x11.h"
 #include "log.h"
 
+#ifdef EGL_API_FB
+#include "EGL/egl.h"
+#else
+
 #include <X11/Xutil.h>
 #include <X11/keysym.h>
 #include <X11/Xatom.h>
 
+#endif
 /******************
  * Public methods *
  ******************/
@@ -36,9 +41,13 @@ NativeStateX11::~NativeStateX11()
     if (xdpy_)
     {
         if (xwin_)
+#ifdef EGL_API_FB
+            fbDestroyWindow(xwin_);
+            fbDestroyDisplay(xdpy_);
+#else
             XDestroyWindow(xdpy_, xwin_);
-
-        XCloseDisplay(xdpy_);
+            XCloseDisplay(xdpy_);
+#endif
     }
 }
 
@@ -46,8 +55,11 @@ bool
 NativeStateX11::init_display()
 {
     if (!xdpy_)
+#ifdef EGL_API_FB
+        xdpy_ = fbGetDisplay(NULL);
+#else
         xdpy_ = XOpenDisplay(NULL);
-
+#endif
     return (xdpy_ != 0);
 }
 
@@ -60,10 +72,16 @@ NativeStateX11::display()
 bool
 NativeStateX11::create_window(WindowProperties const& properties)
 {
+#ifndef EGL_API_FB
     static const char *win_name("glmark2 " GLMARK_VERSION);
+#endif
 
     if (!xdpy_) {
+#ifdef EGL_API_FB
+        Log::error("Error: FB Display has not been initialized!\n");
+#else
         Log::error("Error: X11 Display has not been initialized!\n");
+#endif
         return false;
     }
 
@@ -74,8 +92,13 @@ NativeStateX11::create_window(WindowProperties const& properties)
              (properties_.width != properties.width ||
               properties_.height != properties.height)))
         {
+#ifdef EGL_API_FB
+	    fbDestroyWindow(xwin_);
+#else
             XDestroyWindow(xdpy_, xwin_);
+#endif
             xwin_ = 0;
+
         }
         else
         {
@@ -89,17 +112,28 @@ NativeStateX11::create_window(WindowProperties const& properties)
 
     if (properties_.fullscreen) {
         /* Get the screen (root window) size */
+#ifdef EGL_API_FB
+
+#else
         XWindowAttributes window_attr;
         XGetWindowAttributes(xdpy_, RootWindow(xdpy_, DefaultScreen(xdpy_)), 
                              &window_attr);
         properties_.width = window_attr.width;
         properties_.height = window_attr.height;
+#endif
     }
     else {
         properties_.width = properties.width;
         properties_.height = properties.height;
     }
 
+#ifdef EGL_API_FB
+    xwin_ = fbCreateWindow(xdpy_, 0, 0, properties_.width, properties_.height);
+    if (!xwin_) {
+        Log::error("Error: fbCreateWindow() failed!\n");
+        return false;
+    }
+#else
     XVisualInfo vis_tmpl;
     XVisualInfo *vis_info = 0;
     int num_visuals;
@@ -169,6 +203,7 @@ NativeStateX11::create_window(WindowProperties const& properties)
     /* Gracefully handle Window Delete event from window manager */
     Atom wmDelete = XInternAtom(xdpy_, "WM_DELETE_WINDOW", True);
     XSetWMProtocols(xdpy_, xwin_, &wmDelete, 1);
+#endif
 
     return true;
 }
@@ -184,12 +219,17 @@ void
 NativeStateX11::visible(bool visible)
 {
     if (visible)
+#ifdef EGL_API_FB
+        Log::debug("Map window in FB\n");
+#else
         XMapWindow(xdpy_, xwin_);
+#endif
 }
 
 bool
 NativeStateX11::should_quit()
 {
+#ifndef EGL_API_FB
     XEvent event;
 
     if (!XPending(xdpy_))
@@ -205,6 +245,6 @@ NativeStateX11::should_quit()
         /* Window Delete event from window manager */
         return true;
     }
-
+#endif
     return false;
 }
diff --git a/src/native-state-x11.h b/src/native-state-x11.h
index cc8b83f..25af79b 100644
--- a/src/native-state-x11.h
+++ b/src/native-state-x11.h
@@ -24,7 +24,11 @@
 #define GLMARK2_NATIVE_STATE_X11_H_
 
 #include "native-state.h"
+#ifdef EGL_API_FB
+#include "EGL/egl.h"
+#else
 #include <X11/Xlib.h>
+#endif
 
 class NativeStateX11 : public NativeState
 {
@@ -41,10 +45,15 @@ public:
     void flip() { }
 
 private:
+#ifdef EGL_API_FB
+    NativeDisplayType xdpy_;
+    NativeWindowType xwin_;
+#else
     /** The X display associated with this canvas. */
     Display* xdpy_;
     /** The X window associated with this canvas. */
     Window xwin_;
+#endif
     WindowProperties properties_;
 };