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Lcd save function pointer to frame buffer get_address_fn before loops

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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
This commit is contained in:
William Wilgus 2022-03-21 18:54:52 -04:00
parent 60e5786b48
commit cfeeb7889d
23 changed files with 78 additions and 40 deletions
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3
firmware/target/arm/as3525/lcd-ssd1303.c
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@ -310,6 +310,7 @@ static void internal_update_rect(int x, int y, int width, int height)
const int column_high = get_column_high_byte(x);
const int column_low = get_column_low_byte(x);
void* (*fbaddr)(int x, int y) = FB_CURRENTVP_BUFFER->get_address_fn;
/* Copy specified rectange bitmap to hardware */
for (; y <= height; y++)
{
@ -320,7 +321,7 @@ static void internal_update_rect(int x, int y, int width, int height)
(column_low)
);
lcd_write_data (FBADDR(x,y), width);
lcd_write_data (fbaddr(x,y), width);
}
lcd_write_command (LCD_NOP); /* return to command mode */