From 4a71d4f6c7f5d1ae835249418bdda7e6ac4fe614 Mon Sep 17 00:00:00 2001
From: Ethan Yonker <dees_troy@teamw.in>
Date: Fri, 29 Jul 2016 17:42:36 -0500
Subject: Add build flag for forcing single buffer mode

RECOVERY_GRAPHICS_FORCE_SINGLE_BUFFER := true

Change-Id: Id5144ea772c3b7ae382b064c41c23acdd0decb84
---
 minuitwrp/Android.mk         | 4 ++--
 minuitwrp/graphics_fbdev.cpp | 5 +++++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/minuitwrp/Android.mk b/minuitwrp/Android.mk
index 18943727d..51246660b 100644
--- a/minuitwrp/Android.mk
+++ b/minuitwrp/Android.mk
@@ -80,8 +80,8 @@ ifeq ($(RECOVERY_GRAPHICS_FORCE_USE_LINELENGTH), true)
 LOCAL_CFLAGS += -DRECOVERY_GRAPHICS_FORCE_USE_LINELENGTH
 endif
 
-ifeq ($(TW_DISABLE_DOUBLE_BUFFERING), true)
-LOCAL_CFLAGS += -DTW_DISABLE_DOUBLE_BUFFERING
+ifeq ($(RECOVERY_GRAPHICS_FORCE_SINGLE_BUFFER), true)
+LOCAL_CFLAGS += -DRECOVERY_GRAPHICS_FORCE_SINGLE_BUFFER
 endif
 
 #Remove the # from the line below to enable event logging
diff --git a/minuitwrp/graphics_fbdev.cpp b/minuitwrp/graphics_fbdev.cpp
index 3402cbae3..a1c42d05c 100644
--- a/minuitwrp/graphics_fbdev.cpp
+++ b/minuitwrp/graphics_fbdev.cpp
@@ -249,6 +249,7 @@ static GRSurface* fbdev_init(minui_backend* backend) {
     }
 
     /* check if we can use double buffering */
+#ifndef RECOVERY_GRAPHICS_FORCE_SINGLE_BUFFER
     if (vi.yres * fi.line_length * 2 <= fi.smem_len) {
         double_buffered = true;
         printf("double buffered\n");
@@ -258,6 +259,10 @@ static GRSurface* fbdev_init(minui_backend* backend) {
             gr_framebuffer[0].height * gr_framebuffer[0].row_bytes;
 
     } else {
+#else
+    {
+        printf("RECOVERY_GRAPHICS_FORCE_SINGLE_BUFFER := true\n");
+#endif
         double_buffered = false;
         printf("single buffered\n");
     }
-- 
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