Lcd save function pointer to frame buffer get_address_fn before loops

Calling multiple levels of indirection in a loop slows things down

Really these need to be rewritten to take a start and end address
like most of the rest of the codebase

But this is safer without having test hardware in hand

Change-Id: Idae7b92ee779d020ed7fcc9334e2d5a9c710e64d

1 files changed, 3 insertions, 1 deletions

diff --git a/firmware/export/lcd.h b/firmware/export/lcd.h
index ffaf1a63d2..13165129b1 100644
--- a/firmware/export/lcd.h
+++ b/firmware/export/lcd.h
@@ -507,7 +507,9 @@ typedef void lcd_blockfunc_type(fb_data *address, unsigned mask, unsigned bits);
 
 extern struct viewport* lcd_current_viewport;
 
-#define FBADDR(x,y) ((fb_data*) lcd_current_viewport->buffer->get_address_fn(x, y))
+#define FB_CURRENTVP_BUFFER (lcd_current_viewport->buffer)
+#define FBADDRBUF(buffer,x,y) ((fb_data*) buffer->get_address_fn(x,y))
+#define FBADDR(x,y) (FBADDRBUF(lcd_current_viewport->buffer,x,y))
 
 #define FRAMEBUFFER_SIZE (sizeof(fb_data)*LCD_FBWIDTH*LCD_FBHEIGHT)