[client] egl: fix building without EGL support

client/include/app.h

@@ -58,9 +58,12 @@ void app_setFullscreen(bool fs);
 bool app_getFullscreen(void);
 bool app_getProp(LG_DSProperty prop, void * ret);
 
+#ifdef ENABLE_EGL
 EGLDisplay app_getEGLDisplay(void);
 EGLNativeWindowType app_getEGLNativeWindow(void);
 void app_eglSwapBuffers(EGLDisplay display, EGLSurface surface);
+#endif
+
 void app_glSwapBuffers(void);
 
 void app_clipboardRelease(void);

client/include/interface/displayserver.h

@@ -136,35 +136,42 @@ struct LG_DisplayServerOps
   bool (*getFullscreen)(void);
   void (*setFullscreen)(bool fs);
 
-  /* clipboard support */
+  /* clipboard support, optional, if not supported set to NULL */
   bool (*cbInit)(void);
   void (*cbNotice)(LG_ClipboardData type);
   void (*cbRelease)(void);
   void (*cbRequest)(LG_ClipboardData type);
 };
 
-#define IS_LG_DS_VALID(x) \
-  ((x)->probe              && \
-   (x)->earlyInit          && \
-   (x)->init               && \
-   (x)->startup            && \
-   (x)->shutdown           && \
-   (x)->free               && \
-   (x)->getProp            && \
-   (x)->getEGLDisplay      && \
-   (x)->getEGLNativeWindow && \
-   (x)->eglSwapBuffers     && \
-   (x)->glSwapBuffers      && \
-   (x)->showPointer        && \
-   (x)->grabPointer        && \
-   (x)->ungrabPointer      && \
-   (x)->warpPointer        && \
-   (x)->realignPointer     && \
-   (x)->isValidPointerPos  && \
-   (x)->inhibitIdle        && \
-   (x)->uninhibitIdle      && \
-   (x)->wait               && \
-   (x)->setWindowSize      && \
-   (x)->setFullscreen      && \
-   (x)->getFullscreen)
+#ifdef ENABLE_EGL
+  #define ASSERT_EGL_FN(x) assert(x);
+#else
+  #define ASSERT_EGL_FN(x)
+#endif
+
+#define ASSERT_LG_DS_VALID(x) \
+  assert((x)->probe              ); \
+  assert((x)->earlyInit          ); \
+  assert((x)->init               ); \
+  assert((x)->startup            ); \
+  assert((x)->shutdown           ); \
+  assert((x)->free               ); \
+  assert((x)->getProp            ); \
+  ASSERT_EGL_FN((x)->getEGLDisplay      ); \
+  ASSERT_EGL_FN((x)->getEGLNativeWindow ); \
+  ASSERT_EGL_FN((x)->eglSwapBuffers     ); \
+  assert((x)->glSwapBuffers      ); \
+  assert((x)->showPointer        ); \
+  assert((x)->grabPointer        ); \
+  assert((x)->ungrabPointer      ); \
+  assert((x)->warpPointer        ); \
+  assert((x)->realignPointer     ); \
+  assert((x)->isValidPointerPos  ); \
+  assert((x)->inhibitIdle        ); \
+  assert((x)->uninhibitIdle      ); \
+  assert((x)->wait               ); \
+  assert((x)->setWindowSize      ); \
+  assert((x)->setFullscreen      ); \
+  assert((x)->getFullscreen      );
+
 #endif

client/src/app.c

@@ -566,6 +566,7 @@ bool app_getProp(LG_DSProperty prop, void * ret)
   return g_state.ds->getProp(prop, ret);
 }
 
+#ifdef ENABLE_EGL
 EGLDisplay app_getEGLDisplay(void)
 {
   return g_state.ds->getEGLDisplay();
@@ -580,6 +581,7 @@ void app_eglSwapBuffers(EGLDisplay display, EGLSurface surface)
 {
   g_state.ds->eglSwapBuffers(display, surface);
 }
+#endif
 
 void app_glSwapBuffers(void)
 {

client/src/main.c

@@ -633,7 +633,7 @@ static int lg_run(void)
     }
 
   assert(g_state.ds);
-  assert(IS_LG_DS_VALID(g_state.ds));
+  ASSERT_LG_DS_VALID(g_state.ds);
 
   // init the subsystem
   if (!g_state.ds->earlyInit())