mangavalk/lcdproc
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optimize out CwLnx_draw_frame() as it is called only by CwLnx_flush()

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This commit is contained in:
marschap
2006-09-29 20:18:32 +00:00
parent f68d4f00cf
commit d317808358
1 changed files with 25 additions and 49 deletions
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server/drivers/CwLnx.c
+25 -49
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@@ -124,7 +124,6 @@ static void CwLnx_linewrap(int fd, int on);
static void CwLnx_autoscroll(int fd, int on);
static void CwLnx_hidecursor(int fd);
static void CwLnx_draw_frame(Driver *drvthis, char *dat);
#define LCD_CMD 254
#define LCD_CMD_END 253
@@ -749,10 +748,33 @@ CwLnx_flush(Driver *drvthis)
{
PrivateData *p = drvthis->private_data;
CwLnx_draw_frame(drvthis, p->framebuf);
int i, j;
int mv = 1;
char *q = p->framebuf;
char *r = p->backingstore;
for (i = 0; i < p->height; i++) {
for (j = 0; j < p->width; j++) {
if ((*q == *r) && !((0 < *q) && (*q < 16))) {
mv = 1;
}
else {
/* Draw characters that have changed, as well
* as custom characters. We know not if a custom
* character has changed. */
if (mv == 1) {
Set_Insert(p->fd, i, j);
mv = 0;
}
Write_LCD(p->fd, q, 1);
}
q++;
r++;
}
}
memcpy(p->backingstore, p->framebuf, p->width * p->height);
CwLnx_flushtime_heartbeat(drvthis);
/* CwLnx_flushtime_backlight(drvthis); */
}
@@ -1269,52 +1291,6 @@ CwLnx_icon(Driver *drvthis, int x, int y, int icon)
return 0;
}
/**********************************************************
* ONLY CALLED FROM _flush ...
*
* Blasts a single frame onscreen, to the lcd...
*
* Input is a character array, sized p->wid*p->hgt
*/
static void
CwLnx_draw_frame(Driver *drvthis, char *dat)
{
PrivateData *p = drvthis->private_data;
int i, j, mv, rc;
char *q, *r;
/* char c; */
if (!dat)
return;
mv = 1;
q = dat;
r = p->backingstore;
/* printf("\n_draw_frame: %d\n", count); */
for (i = 0; i < p->height; i++) {
for (j = 0; j < p->width; j++) {
if ((*q == *r) && !((0 < *q) && (*q < 16))) {
mv = 1;
}
else {
/* Draw characters that have changed, as well
* as custom characters. We know not if a custom
* character has changed. */
if (mv == 1) {
Set_Insert(p->fd, i, j);
mv = 0;
}
rc = Write_LCD(p->fd, q, 1);
}
q++;
r++;
}
}
memcpy(p->backingstore, dat, p->width * p->height);
}
/*********************************************************
* API: Clears the LCD screen