From 5c6e71a06127c052326bf4dbae67d473030b6dc7 Mon Sep 17 00:00:00 2001
From: notaz
Date: Mon, 8 Jun 2009 01:57:08 +0300
Subject: use quad buffering, as emu sometimes runs ahead

---
 gp2x/gp2x.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'gp2x')

diff --git a/gp2x/gp2x.c b/gp2x/gp2x.c
index 2107e61..eeefcf6 100644
--- a/gp2x/gp2x.c
+++ b/gp2x/gp2x.c
@@ -41,11 +41,11 @@ static volatile u32 *gpsp_gp2x_memregl;
 #ifdef WIZ_BUILD
 #include <linux/fb.h>
 void *gpsp_gp2x_screen;
-static u32 fb_paddr[3];
-static void *fb_vaddr[3];
+#define fb_buf_count 4
+static u32 fb_paddr[fb_buf_count];
+static void *fb_vaddr[fb_buf_count];
 static u32 fb_work_buf;
-const int fb_buf_count = 3;
-static int fb_buf_use = 3;
+static int fb_buf_use;
 
 static void fb_video_init()
 {
@@ -111,6 +111,7 @@ void fb_use_buffers(int count)
   else if (count > fb_buf_count)
     count = fb_buf_count;
   fb_buf_use = count;
+  memset(fb_vaddr[0], 0, 320*240*2*count);
 }
 
 static void fb_video_exit()
-- 
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