Refactor lcd_clear_viewport().

* Unify 16bit implementaitons (move to 16bit-common.c).
* Add viewport clipping (within #ifdef HAVE_VIEWPORT_CLIP) like other lcd_* functions have.

Change-Id: I4e96b2efdb94d2f7bc5bcdb710554117989579ec

1 files changed, 0 insertions, 50 deletions

diff --git a/firmware/drivers/lcd-16bit-vert.c b/firmware/drivers/lcd-16bit-vert.c
index 6f59af9..2ebd6a3 100644
--- a/firmware/drivers/lcd-16bit-vert.c
+++ b/firmware/drivers/lcd-16bit-vert.c
@@ -46,56 +46,6 @@
 
 /*** drawing functions ***/
 
-/* Clear the current viewport */
-void lcd_clear_viewport(void)
-{
-    fb_data *dst, *dst_end;
-
-    dst = FBADDR(current_vp->x, current_vp->y);
-    dst_end = dst + current_vp->width * LCD_HEIGHT;
-
-    if (current_vp->drawmode & DRMODE_INVERSEVID)
-    {
-        do
-        {
-            memset16(dst, current_vp->fg_pattern, current_vp->height);
-            dst += LCD_HEIGHT;
-        }
-        while (dst < dst_end);
-    }
-    else
-    {
-        if (!lcd_backdrop)
-        {
-            do
-            {
-                memset16(dst, current_vp->bg_pattern, current_vp->height);
-                dst += LCD_HEIGHT;
-            }
-            while (dst < dst_end);
-        }
-        else
-        {
-            do
-            {
-                memcpy(dst, (void *)((long)dst + lcd_backdrop_offset),
-                       current_vp->height * sizeof(fb_data));
-                dst += LCD_HEIGHT;
-            }
-            while (dst < dst_end);
-        }
-    }
-
-    if (current_vp == &default_vp)
-    {
-        lcd_scroll_info.lines = 0;
-    }
-    else
-    {
-        lcd_scroll_stop(current_vp);
-    }
-}
-
 /* Draw a horizontal line (optimised) */
 void lcd_hline(int x1, int x2, int y)
 {