Update DPF

dpf/dgl/Makefile

@@ -12,6 +12,9 @@ BUILD_C_FLAGS   += $(DGL_FLAGS) -I. -Isrc
 BUILD_CXX_FLAGS += $(DGL_FLAGS) -I. -Isrc
 LINK_FLAGS      += $(DGL_LIBS)
 
+# needed by oui-blendish
+BUILD_CXX_FLAGS += -Wno-unused-parameter
+
 # --------------------------------------------------------------
 
 OBJS = \

dpf/dgl/src/NanoVG.cpp

@@ -932,6 +932,7 @@ NanoWidget::NanoWidget(NanoWidget* groupWidget)
       nData(new PrivateData(this))
 {
     pData->needsScaling = true;
+    pData->skipDisplay = true;
     groupWidget->nData->subWidgets.push_back(this);
 }
 

dpf/dgl/src/WidgetPrivateData.hpp

@@ -51,7 +51,10 @@ struct Widget::PrivateData {
           visible(true)
     {
         if (addToSubWidgets && groupWidget != nullptr)
+        {
+            skipDisplay = true;
             groupWidget->pData->subWidgets.push_back(self);
+        }
     }
 
     ~PrivateData()

dpf/dgl/src/pugl/pugl_win.cpp

@@ -87,9 +87,12 @@ void
 puglLeaveContext(PuglView* view, bool flush)
 {
 #ifdef PUGL_HAVE_GL
-	if (view->ctx_type == PUGL_GL && flush) {
-		glFlush();
-		SwapBuffers(view->impl->hdc);
+	if (view->ctx_type == PUGL_GL) {
+		if (flush) {
+			glFlush();
+			SwapBuffers(view->impl->hdc);
+		}
+		wglMakeCurrent(NULL, NULL);
 	}
 #endif
 }

dpf/dgl/src/pugl/pugl_x11.c

@@ -218,11 +218,14 @@ void
 puglLeaveContext(PuglView* view, bool flush)
 {
 #ifdef PUGL_HAVE_GL
-	if (view->ctx_type == PUGL_GL && flush) {
-		glFlush();
-		if (view->impl->doubleBuffered) {
-			glXSwapBuffers(view->impl->display, view->impl->win);
+	if (view->ctx_type == PUGL_GL) {
+		if (flush) {
+			glFlush();
+			if (view->impl->doubleBuffered) {
+				glXSwapBuffers(view->impl->display, view->impl->win);
+			}
 		}
+		glXMakeCurrent(view->impl->display, None, NULL);
 	}
 #endif
 }

dpf/distrho/src/DistrhoPluginChecks.h

@@ -104,6 +104,14 @@
 # error Synths need MIDI input to work!
 #endif
 
+// -----------------------------------------------------------------------
+// Disable UI if DGL is not available
+
+#if DISTRHO_PLUGIN_HAS_UI && ! defined(HAVE_DGL)
+# undef DISTRHO_PLUGIN_HAS_UI
+# define DISTRHO_PLUGIN_HAS_UI 0
+#endif
+
 // -----------------------------------------------------------------------
 
 #endif // DISTRHO_PLUGIN_CHECKS_H_INCLUDED