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This commit is contained in:
Vincent Wei
2018-07-30 16:40:28 +08:00
parent be27e8cb7c
commit 1bc43f6580
1 changed files with 20 additions and 20 deletions
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src/newgal/usvfb/usvfb.c
+20 -20
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@@ -125,7 +125,7 @@ struct _frame_header {
};
int __mg_usvfb_fd = -1;
static struct _vfb_info _lcd_info;
static struct _vfb_info _vfb_info;
static int a_init (void)
{
@@ -189,21 +189,21 @@ static int a_getinfo (struct _vfb_info *li, int width, int height, int bpp)
goto error;
}
_lcd_info.width = width;
_lcd_info.height = height;
_vfb_info.width = width;
_vfb_info.height = height;
if (bpp == 16) {
_lcd_info.type = USVFB_TRUE_RGB565;
_lcd_info.rlen = (_lcd_info.width * 2 + 3)/4*4;
_lcd_info.bpp = 16;
_vfb_info.type = USVFB_TRUE_RGB565;
_vfb_info.rlen = (_vfb_info.width * 2 + 3)/4*4;
_vfb_info.bpp = 16;
}
else {
_lcd_info.type = USVFB_TRUE_RGB0888;
_lcd_info.rlen = (_lcd_info.width * 4 + 3)/4*4;
_lcd_info.bpp = 32;
_vfb_info.type = USVFB_TRUE_RGB0888;
_vfb_info.rlen = (_vfb_info.width * 4 + 3)/4*4;
_vfb_info.bpp = 32;
}
_lcd_info.fb = calloc (height * _lcd_info.rlen, sizeof (char));
if (_lcd_info.fb == NULL) {
_vfb_info.fb = calloc (height * _vfb_info.rlen, sizeof (char));
if (_vfb_info.fb == NULL) {
retval = 2;
goto error;
}
@@ -211,14 +211,14 @@ static int a_getinfo (struct _vfb_info *li, int width, int height, int bpp)
header.type = FT_VFBINFO;
header.payload_len = sizeof (struct _vfb_info);
n = write (__mg_usvfb_fd, &header, sizeof (struct _frame_header));
n += write (__mg_usvfb_fd, &_lcd_info, sizeof (struct _vfb_info));
n += write (__mg_usvfb_fd, &_vfb_info, sizeof (struct _vfb_info));
if (n != sizeof (struct _frame_header) + header.payload_len) {
retval = 3;
goto error;
}
_lcd_info.async_update = 0;
memcpy (li, &_lcd_info, sizeof (struct _vfb_info));
_vfb_info.async_update = 0;
memcpy (li, &_vfb_info, sizeof (struct _vfb_info));
return retval;
error:
@@ -240,13 +240,13 @@ static int a_update (const RECT* rc_dirty)
dirty_w = RECTWP (rc_dirty);
dirty_h = RECTHP (rc_dirty);
if (dirty_w < 0 || rc_dirty->left < 0 || (rc_dirty->left + dirty_w) > _lcd_info.width
|| dirty_h < 0 || rc_dirty->top < 0 || (rc_dirty->top + dirty_h) > _lcd_info.height) {
if (dirty_w < 0 || rc_dirty->left < 0 || (rc_dirty->left + dirty_w) > _vfb_info.width
|| dirty_h < 0 || rc_dirty->top < 0 || (rc_dirty->top + dirty_h) > _vfb_info.height) {
return 1;
}
Bpp = 2;
if (_lcd_info.bpp == 32)
if (_vfb_info.bpp == 32)
Bpp = 4;
bytes = dirty_w * dirty_h * Bpp;
@@ -257,11 +257,11 @@ static int a_update (const RECT* rc_dirty)
n = write (__mg_usvfb_fd, &header, sizeof (struct _frame_header));
n += write (__mg_usvfb_fd, rc_dirty, sizeof (RECT));
pixels = _lcd_info.fb + _lcd_info.rlen * rc_dirty->top + rc_dirty->left * Bpp;
pixels = _vfb_info.fb + _vfb_info.rlen * rc_dirty->top + rc_dirty->left * Bpp;
for (i = 0; i < dirty_h; i++) {
n += write (__mg_usvfb_fd, pixels, dirty_w * Bpp);
pixels += _lcd_info.rlen;
pixels += _vfb_info.rlen;
}
if (n != header.payload_len) {
@@ -273,7 +273,7 @@ static int a_update (const RECT* rc_dirty)
static int a_release (void)
{
free (_lcd_info.fb);
free (_vfb_info.fb);
close (__mg_usvfb_fd);
return 0;