From 0b9db701a1d52c8a6d63ca692619b0dde47805d1 Mon Sep 17 00:00:00 2001
From: inmarket <andrewh@inmarket.com.au>
Date: Mon, 21 Oct 2013 13:34:55 +1000
Subject: Fix missing case in gdispStreamStop(). Add support for controllers
 that need flushing. Add both automatic and manual flushing (via the
 gdispFlush() method)

---
 drivers/multiple/Win32/gdisp_lld.c        | 9 +++++++++
 drivers/multiple/Win32/gdisp_lld_config.h | 4 ++++
 2 files changed, 13 insertions(+)

(limited to 'drivers/multiple')

diff --git a/drivers/multiple/Win32/gdisp_lld.c b/drivers/multiple/Win32/gdisp_lld.c
index 6c2e7f33..011f8e74 100644
--- a/drivers/multiple/Win32/gdisp_lld.c
+++ b/drivers/multiple/Win32/gdisp_lld.c
@@ -457,6 +457,15 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
 	return TRUE;
 }
 
+#if GDISP_HARDWARE_FLUSH
+	LLDSPEC void gdisp_lld_flush(GDisplay *g) {
+		winPriv	*	priv;
+
+		priv = g->priv;
+		UpdateWindow(priv->hwnd);
+	}
+#endif
+
 #if GDISP_HARDWARE_DRAWPIXEL
 	LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g) {
 		winPriv	*	priv;
diff --git a/drivers/multiple/Win32/gdisp_lld_config.h b/drivers/multiple/Win32/gdisp_lld_config.h
index 5720eaed..f6544eb4 100644
--- a/drivers/multiple/Win32/gdisp_lld_config.h
+++ b/drivers/multiple/Win32/gdisp_lld_config.h
@@ -22,6 +22,10 @@
 /* Driver hardware support.                                                  */
 /*===========================================================================*/
 
+// Calling gdispGFlush() is optional for this driver but can be used by the
+//	application to force a display update. eg after streaming.
+
+#define GDISP_HARDWARE_FLUSH			TRUE
 #define GDISP_HARDWARE_DRAWPIXEL		TRUE
 #define GDISP_HARDWARE_FILLS			TRUE
 #define GDISP_HARDWARE_PIXELREAD		TRUE
-- 
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