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| author | Thomas Martitz <kugel@rockbox.org> | 2009-10-24 16:01:53 +0000 |
|---|---|---|
| committer | Thomas Martitz <kugel@rockbox.org> | 2009-10-24 16:01:53 +0000 |
| commit | e4921d6ab5f7bf8999592faa0a9179bb40f11ebf (patch) | |
| tree | 247d2780bdf1b78a482d22002a46f4dd9b8e1565 | |
| parent | c6a29640680fe3eef34754ff41a7a3ed6e3803b2 (diff) | |
| download | rockbox-e4921d6ab5f7bf8999592faa0a9179bb40f11ebf.zip rockbox-e4921d6ab5f7bf8999592faa0a9179bb40f11ebf.tar.gz rockbox-e4921d6ab5f7bf8999592faa0a9179bb40f11ebf.tar.bz2 rockbox-e4921d6ab5f7bf8999592faa0a9179bb40f11ebf.tar.xz | |
Speed up lcd_update_rect by ~2.5% by counting towards 0 in the loop.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23329 a1c6a512-1295-4272-9138-f99709370657
| -rw-r--r-- | firmware/target/arm/as3525/sansa-e200v2/lcd-e200v2.c | 5 | ||||
| -rw-r--r-- | firmware/target/arm/as3525/sansa-fuze/lcd-fuze.c | 3 |
2 files changed, 6 insertions, 2 deletions
diff --git a/firmware/target/arm/as3525/sansa-e200v2/lcd-e200v2.c b/firmware/target/arm/as3525/sansa-e200v2/lcd-e200v2.c index 7c3ccc2..24fc4ea 100644 --- a/firmware/target/arm/as3525/sansa-e200v2/lcd-e200v2.c +++ b/firmware/target/arm/as3525/sansa-e200v2/lcd-e200v2.c @@ -556,12 +556,15 @@ void lcd_update_rect(int x, int y, int width, int height) ptr = (fb_data*)&lcd_framebuffer[y][x]; + + height = ymax - y - 1; /* fix height */ + do { lcd_write_data(ptr, width); ptr += LCD_WIDTH; } - while (++y <= ymax); + while (--height > 0); lcd_busy = false; } /* lcd_update_rect */ diff --git a/firmware/target/arm/as3525/sansa-fuze/lcd-fuze.c b/firmware/target/arm/as3525/sansa-fuze/lcd-fuze.c index 21ecdf8..c22382f 100644 --- a/firmware/target/arm/as3525/sansa-fuze/lcd-fuze.c +++ b/firmware/target/arm/as3525/sansa-fuze/lcd-fuze.c @@ -405,12 +405,13 @@ void lcd_update_rect(int x, int y, int width, int height) ptr = &lcd_framebuffer[y][x]; + height = ymax - y - 1; /* fix height */ do { lcd_write_data(ptr, width); ptr += LCD_WIDTH; } - while (++y <= ymax); + while (--height > 0); lcd_busy = false; } |