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use quad buffering, as emu sometimes runs ahead
author
notaz
<notaz@pixelinis>
Sun, 7 Jun 2009 22:57:08 +0000
(
01:57
+0300)
committer
notaz
<notaz@pixelinis>
Sun, 7 Jun 2009 22:57:08 +0000
(
01:57
+0300)
gp2x/gp2x.c
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video.c
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diff --git
a/gp2x/gp2x.c
b/gp2x/gp2x.c
index
2107e61
..
eeefcf6
100644
(file)
--- 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;
#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;
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()
{
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;
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()
}
static void fb_video_exit()
diff --git
a/video.c
b/video.c
index
457a7b5
..
ada3fea
100644
(file)
--- a/
video.c
+++ b/
video.c
@@
-3702,10
+3702,7
@@
void video_resolution_small()
resolution_width = 240;
resolution_height = 160;
resolution_width = 240;
resolution_height = 160;
- fb_use_buffers(3);
- clear_screen(0);
- flip_screen();
- clear_screen(0);
+ fb_use_buffers(4);
flip_screen();
clear_screen(0);
}
flip_screen();
clear_screen(0);
}